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All Journal JPTK: Jurnal Pendidikan Teknologi dan Kejuruan Jurnal Energi Dan Manufaktur Jurnal Jurusan Ilmu Keolahragaan Statistika JURNAL TEKNIK MESIN Arena Kepelatihan Olahraga JIPES - JOURNAL OF INDONESIAN PHYSICAL EDUCATION AND SPORT Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Bina Ilmu Cendekia Jurnal Riset Rumpun Ilmu Kedokteran (JURRIKE) Populer: Jurnal Penelitian Mahasiswa Jurnal Ilmiah Dan Karya Mahasiswa Jurnal Ilmu Kesehatan dan Gizi Jurnal Mahasiswa Ilmu Kesehatan STATISTIKA Student Research Journal Nian Tana Sikka: Jurnal Ilmiah Mahasiswa Jurnal Riset Rumpun Ilmu Pendidikan (JURRIPEN) Journal Innovation In Education Pendekar: Jurnal Pendidikan Berkarakter Vitamin: Jurnal Ilmu Kesehatan Umum Observasi: Jurnal Publikasi Ilmu Psikologi Jayabama: Jurnal Peminat Olahraga Mutiara Pendidikan dan Olahraga Jurnal Pendidikan dan Sosial Humaniora JESS

Achmad Widodo

Unknown Affiliation

Author-ID : 218653

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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UJI VALIDITAS DAN RELIABILITAS TES TEKNIK SHOOTING DAN LONG PASSING UNTUK PENYELEKSIAN PEMAIN SEPAKBOLA USIA 18 23 TAHUN Achmad Widodo,
Arena Vol 3, No 1 (2012)
Publisher : Arena

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ABSTRACT  This study aims to determine the validity and reliability of test shooting and long passing techniques in soccer players aged 18-23 years. Subjects in this study were members of the club football competition Gresik Regency Executive Branch, amounting to 50 players.Based on the results of research has been done, the validity  of test instruments shooting right and left foot with a distance of 23 meters, as well as passing the test instrument long right leg and left leg as far as distance is obtained by correlating the results of the first test and score a total of two tests. The results of the first test and the correlation between total scores showed that the level of shooting tests test the validity of the right foot for a perfect 0.94 in the category, and test instruments shooting the left leg of 0.89 with enough categories. While the long test instrument passing the right leg of 0.86 with the categories and test instruments long enough passing the left foot of 0.76 with the medium category. To test the validity of the technique of 0.89 with enough categories. While the degree of reliability is calculated by the method of re-test. The results of using the product moment correlation between the results of the first test with the second test to find the degree reliabiltas showed that the shooting test instrument reliability of 0.92 with the right foot perfectly categories, and test instruments shooting the left leg of 0.86 with a perfect category. While the long test instrument passing the right leg of 0.90 with a perfect category and test instruments left foot long passing of 0.81 with a perfect category. To test the technique with reliability of 0.95 with a perfect category.The conclusion of this study was shooting a test instrument with a distance of 23 m long test instruments and passing at a distance as far as possible, using tests the right leg and left leg has a level of validity and reliability is good. Based on these results that both supported by the results of test validity and reliability testing technique is good technique can also be said that both the test instrument is a good technique when used to perform the selection of players aged 18 -23 years.Keywords: Test Validity, Reliability, Shooting, Passing Long, 18-23 Players

Kontribusi Daya Ledak (Power) Otot Tungkai pada Kemampuan Menendang Bola Ke Sasaran Achmad Widodo,
Kepelatihan Olahraga Vol 4, No 1 (2009)
Publisher : Kepelatihan Olahraga

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Tujuan penelitian ini adalah untuk mengetahui besarnya kontribusi antara daya ledak (power) otot tungkai pada kemampuan menendang bola ke sasaran.. Sampel dalam penelitian ini adalah pemain sepakbola putera usia 18 tahun keatas yang berjumlah 30 orang pemain Metode yang digunakan dalam penelitian ini adalah metode penelitian korelasional. Dimana analisis data menggunakan teknik korelasional untuk mencari hubungan antara dua variabel atau lebih, kemudian dicari besar kontribusi masing-masing variabel terhadap kemampuan menendang bola (shooting). Berdasarkan hasil penelitian diketahui bahwa rata-rata daya ledak (power) otot tungkai sebesar 241,87 dengan simpangan baku sebesar 14,01. Adapun hasil uji normalitas menunjukkan bahwa data tersebut berdistribusi normal, yaitu dengan X2 hitung = 8,848. Sedangkan hasil penelitian tentang kemampuan menendang bola ke sasaran, diperoleh rata-rata sebesar 1,21 dengan simpangan baku sebesar 0.13. Adapun hasil uji normalitas menunjukkan bahwa data tersebut berdistribusi normal, yaitu dengan X2 = 2,3512 Untuk hasil analisis tentang daya ledak (power) otot tungkai pada kemampuan menendang bola ke sasaran (shooting), perhitungan koefisien korelasinya diperoleh nilai r = -0,27 dan dengan nilai koefisien determinasi sebesar 7,29%. Simpulan dari penelitian ini adalah terdapat kontribusi yang rendah antara daya ledak (power) otot tungkai pada kemampuan menendang bola ke sasaran.

Peran Pembimbing Akademik terhadap Pembentukan Karakter Mahasiswa Agus Partawibawa; Syukri Fathudin; Achmad Widodo
Jurnal Pendidikan Teknologi dan Kejuruan Vol 22, No 1 (2014): (Mei)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

The objectives of this study were (1) to determine the roles of the academic supervisors in the students’ characters development, and (2) to analysethe factors affecting the academic supervisors’ roles in the students’ characters development at the Department of Automotive Engineering Education. This study employed the survey research method. It was conducted at the Department of Automotive Engineering Education, the Faculty of Engineering, State University ofYogyakarta. The data was analysed using descriptive analysis. The results showed the academic supervisors have positive impact on the students characters development in the aspects of education and teaching, research, and community services, (2) the factors affecting the academic supervisors’ roles in the students’ characters development are (a) the different levels of the students’ maturity, it can be solved by improving the students’ mind set, (b) psychological, socioemotional,and cultural differences. The solutions are continuing guidance through classes, workshops and private consultations, (3) The students perceivethat the role of the academic supervisors in their characters developmenthave positive impacts on the learning process, examinations, and academic services.

Proses Bubut pada Berbagai Jenis Kayu untuk Furnitur Rusnaldy Rusnaldy; Achmad Widodo; Norman Iskandar; Berkah Fajar T.K
Jurnal Energi Dan Manufaktur Vol 7 No 2 (2014): Oktober 2014
Publisher : Department of Mechanical Engineering, University of Udayana

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Indonesia termasuk negara eksportir furnitur terbesar di dunia. Namun demikian, kualitasfurnitur Indonesia masih kalah bersaing dengan furnitur dari negara-negara seperti Cina,Kanada, Meksiko, Italia, Vietnam, Malaysia dan Taiwan. Salah satu hal yang menyebabkankualitas furnitur Indonesia masih rendah adalah kurangnya penguasaan teknologimanufaktur kayu, dalam hal ini proses permesinan, terutama proses bubut, karenamerupakan proses yang paling banyak dipakai. Kualitas permukaan dari produk yangterbuat dari kayu adalah satu hal yang sangat penting dalam industri furnitur karenadisamping berkaitan dengan masalah estetika juga berpengaruh pada proses manufakturselanjutnya seperti proses finishing dan kekuatan sambungan adhesifnya. Pada penelitianini kayu yang digunakan adalah jenis-jenis kayu yang banyak digunakan sebagai bahanbaku produk furnitur di Indonesia, terutama di pulau Jawa, seperti kayu jati, nangka, mahoni,dan mangga. Spesimen benda kerja diambil dari balok kayu pada arah radial danlongitudinal, dan dibuat berbentuk silinder dengan diameter 30 mm dan panjang 80 mm.Parameter proses bubut yang divariasikan adalah feed rate, karena secara teoritis dan darihasil kajian sebelumnya parameter inilah yang paling berpengaruh terhadap kekasaranpermukaan benda kerja, sementara parameter lainnya seperti cutting speed dan kedalamanpotong dibuat konstan. Dari hasil diperoleh bahwa spesimen yang diambil dari arah radialmemiliki kekasaran permukaan yang lebih besar bila dibanding dengan arahlongitudinal.Dari hasil juga terlihat bahwa semakin besar feed rate yang diterapkan padaproses bubut kayu, semakin besar pula nilai kekasaran permukaannya.Dari penelitian inijuga didapat bahwa kayu nangka memiliki kualitas permukaan yang paling baik biladibandingkan dengan kayu jati, mahoni dan mangga.Kata kunci: Kayu, furnitur, proses bubut, kualitas permukaanIndonesia including the country's largest furniture exporter in the world. However, the qualityof Indonesian furniture still unable to compete with furniture from countries like China,Canada, Mexico, Italy, Vietnam, Malaysia and Taiwan. One of the things that cause lowquality furniture Indonesia still is a lack of mastery of wood manufacturing technology, in thiscase the process of machining, especially turning process, because it is the most widelyused. There are many technological barriers that must be overcome in order to qualitytimber from the machining process could be good. Surface quality of products made fromwood is a very important thing in the furniture industry as well as issues related to aestheticsalso affects the subsequent manufacturing prose like finishing process and the strength ofthe connection adhesive. Therefore, the research to obtain the characteristics of the woodlathe process to obtain high quality furniture products have done the research team. Thisstudy are used the types of wood such as teak, jackfruit, mahogany, and mango.Specimens taken from the work piece wooden beams in the radial and longitudinaldirections, and made cylindrical with a diameter of 30 mm and a length of 80 mm. Latheprocess parameters are varied is the feed rate, because theoretically and from the results ofprevious studies is the most influential parameter of the surface roughness of the workpiece, while the other parameters such as cutting speed and depth of cut made constant.Testing of physical properties and mechanical properties of each timber are also performedas supporting data. From the results obtained that the specimen taken from the radialdirection has a greater surface roughness than the longitudinal direction. In addition, if thegreater the feed rate is applied to the wood lathe, the greater the surface roughness values.The jackfruit wood has the most excellent surface quality when compared with teak,mahogany and mango.Keywords: Wood, furniture, lathing, surface quality.

ANALISIS MODAL STRUKTUR FENDER SEPEDA MOTOR DALAM DOMAIN FREKUENSI Shaka Ihza Mahendra; Ismoyo Haryanto; Achmad Widodo
JURNAL TEKNIK MESIN Vol 10, No 2 (2022): VOLUME 10, NOMOR 2, APRIL 2022
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

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Kenyamanan merupakan salah satu faktor penting dalam sebuah industri, hal ini juga berhubungan dengan bagaimana struktur dari suatu benda. Getaran juga berhubungan dengan rasa nyaman ketika sesorang menggunakan suatu benda atau alat, oleh sebab itu memenuhi kekuatan struktur maupun rasa nyaman dan aman bagi pengguna maka engineer akan berusaha keras dalam mempertimbangkan getaran dalam alat tersebut. Pengujian getar dan analisis struktur sering digunakan dalam industri kendaraan bermotor, elektronik, pembangkit listrik, dll. Penelitian ini diawali dengan melakukan studi analisis modal pada sistem SDOF hingga MDOF, lalu pengujian getar eksperimental pun dilakukan pada fender depan motor dengan metode bump test Pengujian getar dilakukan dengan memukul fender depan menggunakan hammer impact, pengujian diukur oleh accelerometer yang ditempelkan pada ujung dan tengah fender depan. Data hasil pengukuran berupa time series respon getaran dalam satuan percepatan gravitasi G terhadap durasi waktu pengujian. Modal analysis ini dilakukan dengan mengolah data pengujian menggunakan software MATLAB, grafik Frequency Response Function atau FRF didapat dengan mengolah data pengujian dengan menggunaakan algoritma Fast Fourier Transform atau FFT hingga mendapatkan grafik FRF. Grafik tersebut menunjukkan puncak resonansi dari puncak tersebut dapat dihitung rasio redaman kritis dari struktur tersebut. Berdasarkan pengujian yang telah dilakukan dari ketiga sumbu X, Y, dan Z, tiap sumbu sudah memiliki puncak yang sesuai dengan hasil yang diinginkan yaitu rasio redaman dengan rentang 0.02 – 0.05.

Statistical Process Control Vibrasi Bearing untuk Identifikasi Degradasi Riyani Desriawati; Sutawanir Darwis; Nusar Hajarisman; Suliadi Suliadi; Achmad Widodo
STATISTIKA: Forum Teori dan Aplikasi Statistika Vol 20, No 1 (2020)
Publisher : Program Studi Statistika Unisba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/jstat.v20i1.5298

Statistical Process Control (SPC) is usually applied to the production process of goods, with the aim of detecting the quality of a production item that is within or beyond the specified specifications. In this study, SPC was applied to the bearing vibration signal to detect the first observable defect on a machine that functions as part of a prognostic tool for maintenance decision making. The detection of damage and prognostic are two important aspects in machine maintenance based on current conditions or better known as Condition (data) Based Maintenance (CBM). This paper discusses the shewhart average level chart and adaptive shewhart average level chart to detect the first observable defect. The shewhart chart is built with two assumptions, i.e. that the data must vary randomly around an established mean and follows a normal distribution. However, the adaptive Shewhart chart there is no need for normal assumption. The exploration of our data shows that the assumption of normality is not fulfilled, so that the Shewhart average level chart is not implemented. The adaptive Shewhart chart shows that the warning line for bearing 1 amounted to 5.547 and 3.631, for bearing 2 amounted to 5.491 and 3.635, for bearing 3 amounted to 5.762 and 3, 573, for bearing 4 of 5.604 and 33.615. The action line for bearing 1 is 6.026 and 3.152, for bearing 2 is 5.955 and 3.171, for bearing 3 is 6.309 and 3.026, for bearing 4 is 6.101 and 3.118. The first observable defect was t = 81 for bearing 1, t = 146 for bearing 2, t = 40 for bearing 3 and t = 61 for bearing 4. The adaptive Shewart chart can be used as a toll to estimate the initiation of transition state from normal to degenerate.

The Effect of High Intensity Interval Exercise on Changes in Basal Rate and Vo2max Moh. Amrullah Albaitomi; Ali Maksum; Irmantara Subagio; Achmad Widodo
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 5, No 2 (2022): Budapest International Research and Critics Institute May
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v5i2.4756

Football is an achievement sport that has special characteristics and physical characteristics for players. A good Vo2max endurance capacity can give an advantage to the athlete's performance when competing on the field. Football in Indonesia tends to have an average Vo2max which is still below the standard. One of the reasons is when adolescent athletes are never used to doing intensive physical exercise so that the training age is still small and it will take a long time to improve. In addition to increasing Vo2max, physical exercise also affects changes in suppressing the pulse. Because when someone with a low resting pulse rate, the endurance to carry out an activity, high-intensity exercise and competition will last longer. The purpose of this study is to find out and compare the effectiveness of the HIIT training method with two different forms or variants with a design according to the principle of load training on basal pulse and Vo2max. This study used a quasi-experimental design with Randomized Control Group Pretest-Posttest Design with a sample of 30 divided into 3 groups consisting of 10 athletes in the Shuttle run experimental group, 10 athletes in the around rectangle group and 10 athletes in the control group. Treatment is given within 8 weeks with 3 meetings per week using a Polar H10 device to control exercise intensity. Data analysis using (MANOVA) with the help of the SPSS statistical program. The results showed that the two exercises had a significant effect in improving the pulse p-value 0.001 < 0, 05 in the Shuttle run exercise and Vo2max 0.000 < 0.05, from Around rectangle on pulse p-value 0.000 < 0.05 and Vo2max 0.000 < 0.05. Meanwhile, the effectiveness of the two exercises is the same as the p-value 1,000 > 0.05. Therefore, HIIT is not based on its form but on its duration and intensity which is monitored using a heat rate check for each exercise.

Exploring Pattern Recognition for Bearing Fault Diagnosis Sutawanir Darwis; Nusar Hajarisman; Suliadi; Achmad Widodo; Rejeki Wulan Islamiyati
Statistika Vol. 22 No. 2 (2022): Statistika
Publisher : Department of Statistics, Faculty of Mathematics and Natural Sciences, Universitas Islam Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/statistika.v22i2.1128

Traditional bearing sensory diagnostic include touching and hearing rely on personal experience, and for more complex system are unable to meet the needs of equipment fault diagnosis. The research on bearing fault diagnosis is developing significantly. Bearings are used in rotating machinery and most machinery failures are caused by bearing failures. The fault diagnosis of bearings is an important research area. The core of bearing fault diagnosis is the pattern recognition of fault features. The key of pattern recognition is to develop a reasonable classifier. Intelligent pattern recognition has been developed such as principal components, support vector machine, neural network. In this study, a bearing fault diagnosis based on exploring pattern recognition is proposed. The key to pattern recognition is to design a significant classifier. A number of features from bearing vibration of normal and fault bearing are extracted and processed using principal components of correlation matrix. Plot of principal components shows the visualization of normal and fault bearing and the classifier is chosen subjectively. The principal components exploration will be confirmed using least squares support vector machine. The parameter of support vector machine estimated using heuristic optimization particle swarm optimization. The proposed method can be applied in the detection of faults of bearing

Analysis of the Playing Technique Skills of the English Manchester City Football Club in Winning the UEFA Champions League Title For the 2022-2023 Season Joe Pratama Saragih; Achmad Widodo; Mokhamad Nur Bawono; Awang Firmansyah
Populer: Jurnal Penelitian Mahasiswa Vol. 3 No. 3 (2024): September : Jurnal Penelitian Mahasiswa
Publisher : Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/populer.v3i3.2519

Football is a popular sport that appeals to the public. The purpose of the study was to determine the most dominant playing technique skills and quality of playing techniques from the Manchester City Team. The type of research used is quantitative descriptive research with a descriptive method approach. The subjects used in the study were all players who played in the match between Manchester City against Sevilla in the group, RB Leipzig in the last 16, Bayern München in the last 8, Real Madrid in the last 4, and Inter Milan in the final. While the object of this research concerns playing technique skills such as: passing, shooting, dribbling, ball control, and heading.It can be concluded from the results of the analysis of the Manchester City team in five matches in the UEFA Champions League season 2022-2023, namely: The average percentage of the most dominant and best techniques used by the Manchester City team is passing 564 times (88%%), shooting 17 times (54%), dribbling 26 times (62%), ball control 427 times (96%) and heading 21 times (53%), The most dominant technique used by the Manchester City team in the five matches was the passing technique 2,818 times and the ball control technique was the technique that had the highest quality (96%) compared to other techniques, The average percentage of Manchester City team techniques against all opponents, seen from the percentage of playing technique skills, the Manchester City Team excels in all playing techniques such as passing (by 6%), shooting (by 20%), dribbling (by 16%), ball control (by 2%) and heading (by 6%). Based on statistical data on all playing technique skills of the Manchester City team and their opponents, overall (first half, second half and full time) the percentage of Manchester City team playing techniques only lost in one aspect of the technique, namely heading techniques (by 1% in the second half) the rest were able to excel, both in the first half, second half, and in full time, this proves that the percentage of successful passing, shooting, dribbling, ball possession and heading techniques can have an influence on the final result of the match. But in addition to the techniques possessed by players, there are other factors that affect the outcome of the match, such as: game tactics, understanding of game strategy, formation and mental factors.

Analisis Teknik Bermain Futsal Timnas Futsal Putra Indonesia Pada Kualifikasi Piala Asia Futsal 2024 Ruben Salvador Putra Panggalaha; Abdul Aziz Hakim; Achmad Widodo; Mokhamad Nur Bawono
Jurnal Mahasiswa Ilmu Kesehatan Vol. 2 No. 3 (2024): Juli: Jurnal Mahasiswa Ilmu Kesehatan
Publisher : STIKes Ibnu Sina Ajibarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59841/jumkes.v2i3.1494

Futsal has the goal of winning by scoring as many goals as possible against the opponent's goal. Tactics are needed to achieve this. Playing techniques are something that must be mastered to become a winner. The AFC (football and futsal association) on the Asian continent held the AFC Futsal Championship 2024 tournament. Qualifications were held to screen the number of participants. The purpose of this study was to determine the level of playing technique skills of the Indonesian men's futsal national team when participating in this tournament. The method used in this research is descriptive quantitative. The data source of this research comes from video replays of the Indonesian men's futsal national team matches uploaded by the Indonesian Futsal Federation (FFI) on their official YouTube channel. The results of this study found that in the match against Macau the number of passing of the Indonesian men's futsal national team reached 573 times with a success percentage of 93%, control reached 489 times with a success percentage of 97%, chipping 13 times with a success percentage of 54%, dribbling 144 times with a success percentage of 92%, and shooting 79 times with a success percentage of 63%. Against Afghanistan passing reached 548 times with a success percentage of 91%, control 502 times with a success percentage of 97%, chipping 33 times with a success percentage of 48%, dribbling 200 times with a success percentage of 95%, shooting 33 times with a success percentage of 58%, and powerplay 19 times with a success percentage of 11%. Against Saudi Arabia passing reached 434 times with a success percentage of 90%, control 370 times with a success percentage of 98%, chipping 31 times with a success percentage of 32%, dribbling 174 times with a success percentage of 91%, shooting 36 times with a success percentage of 58%, and powerplay 12 times with a success percentage of 8%.

Co-Authors Abdul Aziz Hakim Ach. Fathur Rozy Agus Partawibawa Alfin Nugraha Ali Maksum Andi Muhammad Nurrizka Febrianto Anggara Anggara Anung Priambodo Aulya Safiyna Nuuril Anwari Awang Firmansyah Awang Firmasyah Berkah Fajar T.K Catur Supriyanto Della Sofiatus Sa’ada Dicky Fatur Rohman Dwi Cahyo Kartiko Fahima Sovia Fajar Ula Rizqi Fatkur Rohman FATKUR ROHMAN KAFRAWI HERI WAHYUDI Hijrin Fithroni Himawan Wismanadi Ilo Raditio Wiriawan Indra Himawan Susanto Irmantara Subagio Ismoyo Haryanto Joe Pratama Saragih Joesoef Roepajadi Krisna Pratama Syahlendra Lutfhi Abdil Khuddus M Khoiril Anwar M. Hasan Basri Milkhatil Arofah Mochamat Rizki Setiawan Moh. Amrullah Albaitomi Mohammad Noval Baghaskara Mokhamad Nur Bawono Muhammad Maulana Yossyan Fachrozi Muhammad Syeikhul Islam Alakbar Muhammad Zaidan Barki Muslim Nanda Hendryatma NOORTJE ANITA KUMAAT Norman Iskandar Nufi Saidatus Tsaniyah Nusar Hajarisman Oce Wiriawan Panji Bana Ragil Ar Rasyid Rahmatul Laili Salsabillah Rejeki Wulan Islamiyati Renaldo Sudikdo Riyani Desriawati Ruben Salvador Putra Panggalaha Rusdiawan, Afif Rusnaldy Rusnaldy Shaka Ihza Mahendra Soni Sulistyarto Sudarwo, Raden Suliadi Suliadi Suliadi Sutawanir Darwis Sutawanir Darwis Syukri Fathudin Achmad Widodo Tatang Rizky Junaidi Wina Arlina Putri Andini Yuen Cheilo Prasetyo

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