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All Journal Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic) Teknotan: Jurnal Industri Teknologi Pertanian Rekayasa Mesin Jurnal Keteknikan Pertanian Tropis dan Biosistem Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Industria: Jurnal Teknologi dan Manajemen Agroindustri JMM (Jurnal Masyarakat Mandiri) Jurnal Agrotek UMMat Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Teknologi Pertanian Andalas Agroteknika JPMI (Jurnal Pembelajaran Matematika Inovatif) Journal of Educational Experts (JEE) Eksergi: Jurnal Teknik Energi Industrial Research Workshop and National Seminar Literasi: Jurnal Pengabdian Masyarakat dan Inovasi National Multidisciplinary Sciences Journal of Systems Engineering and Management Cakrawala: Jurnal Ekonomi, Manajemen dan Bisnis

Asep Yusuf

Fakultas Teknologi Industri Pertanian, Universitas Padjadjaran

Author-ID : 426535

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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PEMBERDAYAAN MASYARAKAT UNTUK MENDORONG KEMANDIRIAN PADA BIDANG EKONOMI, KESEHATAN, PERTANIAN, DAN PETERNAKAN Muhammad Achirul Nanda; Wahyu Sugandi; Asep Yusuf; Kharistya Amaru; Agisna Satria Maulana
JMM (Jurnal Masyarakat Mandiri) Vol 8, No 3 (2024): Juni
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v8i3.23062

Abstrak: Pemberdayaan masyarakat adalah kunci untuk meningkatkan kualitas hidup individu dan kelompok dengan mengembangkan keterampilannya. Di Desa Batujajar Timur, Kabupaten Bandung Barat, pemberdayaan masyarakat difokuskan pada pembangunan ekonomi, kesehatan, pertanian, dan peternakan. Metode pengabdian ini melibatkan pelatihan dan edukasi bagi petani, pengusaha UMKM, peternak, dan siswa sekolah dasar dengan berbagai kelompok usia, termasuk anak-anak, remaja, dan dewasa. Setiap program pengabdian dievaluasi menggunakan skala lima tingkat dari 0 hingga 100%, dengan penilaian kuantitatif dan kualitatif terhadap pencapaian tujuan kegiatan. Hasil evaluasi menunjukkan bahwa pencapaian indikator keberhasilan secara keseluruhan sangat baik, dengan persentase 98%. Output program mencakup pengembangan UMKM, peningkatan kesadaran kesehatan, penerapan pupuk organik, dan modifikasi kandang domba ramah lingkungan. Upaya ini bertujuan untuk meningkatkan daya saing UMKM, kesehatan masyarakat, serta produktivitas sektor pertanian dan peternakan, serta mendorong kemandirian di Desa Batujajar Timur.Abstract: Community empowerment is the key to enhancing the quality of life for individuals and groups by developing their skills. In East Batujajar Village, West Bandung Regency, community empowerment is focused on economic, health, agricultural, and livestock development. This approach involves training and education for farmers, SME entrepreneurs, livestock breeders, and elementary school students of various age groups, including children, adolescents, and adults. Each community service program is evaluated using a five-level scale from 0 to 100%, with both quantitative and qualitative assessments of goal achievement. The evaluation results show that overall success indicators are very good, with a percentage of 98%. Program outputs include SME development, increased health awareness, organic fertilizer application, and environmentally friendly sheep pen modifications. These efforts aim to enhance SME competitiveness, public health, agricultural and livestock sector productivity, and promote self-reliance in East Batujajar Village.

Ergonomic analysis of modified sweet potato washing machine Sa'adah, Intan Siti; Sugandi, Wahyu Kristian; Thoriq, Ahmad; Yusuf, Asep
Journal of Systems Engineering and Management Vol 2, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/joseam.v2i1.19330

Sweet potato is included in the type of palawija plant. Sweet potato (Ipomoea batatas L.) is a source of carbohydrates and sweet potato is widely consumed as a staple food to replace rice. Cilembu Village, Pamulihan District, Sumedang Regency is a center to produce Cilembu sweet potato which has been exported to several countries. Cilembu sweet potato production, especially in the washing process of Cilembu sweet potato, can reach 30 kg/hour. However, the washing process is still done manually in a sitting and bowing position. To increase the cleaning capacity of Cilembu sweet potato, a Cilembu sweet potato washing machine was made. The machine has been modified, but the machine that has been modified needs to be analyzed for its ergonomic feasibility. The purpose of this study was to perform an ergonomics analysis on a modified Cilembu sweet potato washing machine to make it suitable for mass marketing. The method used in this study is a descriptive analysis research method, namely measuring, observing, and calculating the modified sweet potato washing machine and then analyzing the data to obtain machine ergonomics feasibility data. The results showed that the analysis of anthropometric data on machine height was appropriate because the machine height did not exceed the calculated value of the 2.5th percentile, but for machine width there was still a difference between the machine width and the operator's shoulder width because the machine width was smaller than the shoulder width. 50th percentile. The results of the analysis of work postures using the REBA method found 3 postures with a moderate risk level of safety, 2 postures with a high level of security and 1 with a negligible level of safety. On noise and vibration measurements it was found that the machine could only be operated for 3 hours in one day.

Uji Kinerja dan Penerapan Nanobubble Generator pada Hidroponik Nutrient Film Technique (NFT) Terhadap Pertumbuhan Selada Oktora, Grace Indah; Yusuf, Asep; Dwiratna, Sophia; Alam, Hilman Syaeful
Teknotan: Jurnal Industri Teknologi Pertanian Vol 18, No 3 (2024): TEKNOTAN, Desember 2024
Publisher : Fakultas Teknologi Industri Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jt.vol18n3.4

Nanobubble generator merupakan salah satu alat untuk menghasilkan gelembung halus dengan diameter < 1 µm. Nanobubble generator terdiri dari pompa dan nozel yang diaplikasikan pada larutan nutrisi sehingga kadar Dissolved Oxygen (DO) dapat meningkat. Hidroponik Nutrient Film Technique (NFT) memiliki kadar DO terkecil pada siang hari yaitu 5,2 mg/L. Kadar DO tersebut masih termasuk dalam kebutuhan tanaman hidroponik namun belum mendekati batas maksimal yaitu 8 mg/L. Penelitian ini bertujuan untuk mengetahui kinerja dan pengaruh nanobubble generator terhadap pertumbuhan selada pada hidroponik NFT. Uji kinerja nanobubble generator dilakukan dengan uji PSA, uji zeta potensial, pengukuran listrik, dan perubahan kadar DO. Pada penanaman selada terdapat 4 perlakuan meliputi; kontrol (P0), generate 3 hari sekali (P1), generate 7 hari sekali (P2), dan generate 10 hari sekali (P3). Penelitian menggunakan Rancangan Acak Kelompok (RAK). Hasil pengukuran tanaman dibandingkan dengan uji ANOVA, dan dilanjut dengan uji Duncan untuk mengetahui perbedaannya. Hasil uji kinerja nanobubble generator diantaranya diameter gelembung nano yaitu 394,6 nm; nilai indeks polidispersi (PDI) yaitu 1,783; zeta potensial sebesar -23,3 mV; daya, tegangan, dan arus listrik sebesar 98,47 Watt; 230,71 Volt; 0,44 Ampere. Hasil tersebut menunjukkan diameter gelembung sesuai standar ISO 20480-1-2017 dengan distribusi ukuran gelembung yang heterogen, serta memiliki stabilitas yang baik di dalam air. Hasil pengukuran biaya listrik sangat kecil yaitu Rp 426,1865 untuk satu masa panen. Hasil pengamatan pertumbuhan selada terdapat perbedaan kadar DO pada setiap perlakuan dengan penerapan nanobubble generator. Hasil panen pertumbuhan selada yang paling baik pada parameter berat segar, tinggi tanaman, dan lebar naungan yaitu dengan perlakuan P1 (generate setiap 3 hari sekali).

Optimization of Pectin Extraction Process from Albedo of Citrus Lemon (Citrus limon) Using Ultrasonic Method Filianty, Fitry; Alifia, Rachma Nur; Yuliana, Tri; Yusuf, Asep; Putri, Selly Harnesa
Industria: Jurnal Teknologi dan Manajemen Agroindustri Vol 13, No 1 (2024)
Publisher : Department of Agro-industrial Technology, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.industria.2024.013.01.6

Abstract Pectin is an industrial raw material that can form gels, thickeners, and emulsifiers widely applied in the food and non-food industries. Extracting pectin with citric acid solvent using ultrasonic waves is considered more effective and efficient. This study aimed to obtain an optimization model for the pectin production process to produce maximum pectin yield and obtain the optimized pectin characteristics. This study used the Response Surface Methodology (RSM) as the optimization method with the Central Composite Design (CCD) experimental design with Design Expert 13 software to determine the treatment combination based on time factors and solvent concentration. The treatment combination obtained was 11. The results showed that the maximum pectin yield value was 34.63% at a 7-minute extraction time using the citric acid solvent concentration of 20% and a validation value accuracy of 99.08%. The optimized pectin characteristics were a water content of 7.66%, ash content of 0.33%, equivalent weight of 183.28 mg, methoxyl content of 7.52%, galacturonic acid content of 67.13%, and degree of esterification of 63.56%. The pectin produced followed the pectin quality standards according to the International Pectin Producers Association (IPPA), except for the equivalent weight.Keywords: extraction, lemon albedo, pectin, ultrasonic AbstrakPektin merupakan bahan baku industri yang memiliki kemampuan dalam pembentukan gel, zat pengental, dan sebagai zat pengemulsi yang banyak diaplikasikan pada industri pangan dan non-pangan. Proses ekstraksi pektin dengan pelarut asam sitrat menggunakan bantuan gelombang ultrasonik dianggap lebih efektif dan efisien. Tujuan penelitian adalah untuk mendapatkan model optimasi proses produksi pektin hingga menghasilkan rendemen pektin yang maksimum dan mendapatkan karakteristik pektin hasil optimasi. Metode optimasi dalam penelitian ini menggunakan Response Surface Methodology (RSM) dengan dengan rancangan eksperimen Central Composite Design (CCD) menggunakan software Design Expert 13 untuk menentukan kombinasi perlakuan berdasarkan faktor waktu dan konsentrasi pelarut. Kombinasi perlakuan yang diperoleh adalah 11. Hasil penelitian menunjukkan bahwa nilai rendemen pektin maksimum adalah 34,63% pada waktu ekstraksi 7 menit dengan konsentrasi pelarut asam sitrat 20% dengan keakuratan nilai validasi adalah 99,08%. Karakteristik pektin hasil optimasi diperoleh nilai kadar air 7,66%, kadar abu 0,33%, berat ekuivalen 183,28 mg, kadar metoksil 7,52%, kadar asam galakturonat 67,13%, dan derajat esterifikasi 63,56%. Pektin yang dihasilkan sudah sesuai dengan standar mutu pektin menurut International Pectin Producers Association (IPPA) kecuali pada berat ekuivalen.Kata kunci: albedo lemon, ekstraksi, pektin, ultrasonik

The Application of Nanobubble Technology in Hydroponic SWU-01 to Increase Dissolved Oxygen Concentration and Lettuce Plant Growth Asep Yusuf; Chay Asdak; Mimin Muhaemin; Eza Zahrotul Fuadah; Sophia Dwiratna; Muhammad Achirul Nanda; Anto Tri Sugiarto; Hilman Syaeful Alam
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1395-1402

Hydroponic model SWU-01 is a new hydroponic system innovation that regulates watering automatically and independently by utilizing gravity and Archimedes' law. Dissolved oxygen concentration in SWU-01 is only around 3-4.2 mg/L. DO values can be increased by applying nanobubble technology. Ultrafine bubble or nanobubble is a gas bubble in a liquid that has a diameter of <200 nm. The purpose of this study was to determine the effect of nanobubble on dissolved oxygen concentration and growth of lettuce plants cultivated with SWU-01 hydroponics. The experiment used a one-factor randomized complete block design, namely intermittent administration of nanobubble for 15 min every 3 day (P1) and 7 days (P2), and without nanobubble (P0l). The results obtained based on the ANOVA test at the 5% level with the Least Significant Difference (LSD) follow-up test, namely the parameters of fresh weight and number of leaves of lettuce P1 significantly different from P0 and P2, and no significant differences were found in root length, canopy width, and plant height. The P1 treatment is more effective in increasing dissolved oxygen concentration, leaf count, and fresh weight of lettuce produced in lettuce cultivation using the SWU-01 hydroponic system. Keywords: Dissolved oxygen, Hydroponics, Lettuce, Nanobubbles, Plant growth.

Pengaruh Promosi Online dan Kualitas Produk terhadap Minat Beli Konsumen di Outlet Makaroni Ngehe Hilton Pamulang Yusuf, Asep; Nurhadi, Ahmad
Cakrawala: Jurnal Ekonomi, Manajemen dan Bisnis Vol. 1 No. 2 (2024): Cakrawala: Jurnal Ekonomi, Manajemen dan Bisnis
Publisher : YAYASAN PENDIDIKAN MULIA BUANA (YPMB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70451/cakrawala.v1i2.437

Penelitian ini bertujuan untuk mengetahui pengaruh promosi online dan kualitas produk terhadap minat beli. Jenis penelitian kuantitatif dengan pendekatan deskriptif, melibatkan 100 responden konsumen di Outlet Makaroni Ngehe Hilton Pamulang. Pengumpulan data dilakukan melalui kuesioner (g-form), studi pustaka, dan literatur. Analisis data menggunakan SPSS versi 26 dengan metode regresi linier sederhana dan regresi linier berganda. Hasil penelitian menunjukkan: (1) Terdapat pengaruh positif dan signifikan antara promosi online terhadap minat beli dengan persamaan regresi Y = 11,821 + 0,510X1, koefisien korelasi 0,734, dan koefisien determinasi 0,538. Promosi online berpengaruh sebesar 53,8% terhadap minat beli. (2) Kualitas produk juga berpengaruh positif dan signifikan dengan persamaan Y = 9,657 + 0,362X2, koefisien korelasi 0,803, dan koefisien determinasi 0,645. Kualitas produk mempengaruhi minat beli sebesar 64,5%. (3) Secara simultan, promosi online dan kualitas produk berpengaruh positif terhadap minat beli dengan persamaan Y = 9,911 + 0,141X1 + 0,448X2, koefisien korelasi 0,806, dan koefisien determinasi 0,650, berpengaruh sebesar 65%.

The Implementation of Yogurt-Making Machine in Dairy Product to Support Self-Reliance of Residents in Batujajar Transit Apartment, Bandung Nanda, Muhammad Achirul; Sugandi, Wahyu; Yusuf, Asep; Amaru, Kharistya
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 11 No. 1 (2025): Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.11.1.29-37

This community service proposes the application of a yogurt-making machine for dairy products as a strategy to support residents' self-reliance at the Batujajar Transit Apartment in Bandung. Through modern technology in the milk production process, this community service aims to increase the added value of local dairy products and encourage the active participation of residents in production activities. Community service methods involve surveys, interviews, and direct observations of apartment residents. The number of participants in this training was 20, dominated by housewives, with 62% being aged 20‒25. Based on the analysis, 69.5% of the participants positively assessed this community service activity, including aspects of learning materials, speakers, facilities, satisfaction, and expectations. This implementation also opens up new opportunities for local and regional marketing, increases product competitiveness, and creates an environment that supports economic independence of the farmers. In conclusion, applying a yogurt-making machine for dairy products at the Batujajar Transit Apartment in Bandung is an innovative step toward increasing the economic independence of residents. This community service contributes to developing local products, residents' self-reliance, community empowerment, and regional economic growth.

The Implementation of Micro/Nanobubbles (MNBs) Technology to Treat Basin Water as The Primary Water Source for Hydroponics in Greenhouse Asep Yusuf; Chay Asdak; Mimin Muhaemin; Sophia Dwiratna N.P; Anto Tri Sugiarto; Hilman Syaeful Alam
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 1 (2024): March 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i1.197-204

The greenhouse plays a pivotal role in creating an ideal environment for hydroponic cultivation. The greenhouse has utilized rainwater and basin water as a source of raw water for hydroponic farming. Presently, the water quality of Leuwi Padjadjaran basin fails to meet the standards required for hydroponics due to its turbidity, sediment content, discoloration, pH levels exceeding 7, and low dissolved oxygen (DO) concentration of 2.2 mg/l. The micro/nanobubbles (MNBs) technology stands as a viable method for water treatment owing to its capacity to bind impurities via radical OH. The application of MNBs for the treatment of basin water involves the use of a hydrodynamic cavitation MNBs generator with a dual-chamber rotating flow nozzle. The parameters evaluated in this research encompass DO concentration, MNBs stability, microbubble size, and the visual response to MNBs application. MNBs treatment was conducted with three different gases: air, oxygen, and ozone. Microbubbles were measured using the particle image velocimetry (PIV) method. The DO concentration reaches 21.6 mg/l when employing oxygen-based MNBs. On the third day post-generation, MNBs stability still maintains DO concentrations above the initial levels. Thus it can be used as hydroponic raw water. Keywords: DO concentration, Greenhouse, Micro/nanobubbles, Water treatment.

Penerapan Teknologi Tapat Guna (TTG) Mesin Perontok Padi Pada Kelompok Tani Padi di Kecamatan Cipungara Kabupaten Subang Kristian Sugandi, Wahyu; Yusuf, Asep; Achirul Nanda, Muhammad
Literasi Jurnal Pengabdian Masyarakat dan Inovasi Vol 5 No 2 (2025)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang Jl. Rangga Sentap, Dalong Sukaharja, Ketapang 78813. Telp. (0534) 3030686 Kalimantan Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/literasi.v5i2.1482

Manual rice threshing can result in up to a 10% grain loss because the rice grains are not gathered at a single point. Another drawback of manual threshing is that not all rice grains are separated from their husks due to the need for high-pressure strikes. Additionally, farmers, especially women, often complain of back pain because rice threshing work is carried out all day during the harvest season. To reduce the workload and fatigue experienced by rice farmers in Cipunagara District, Subang Regency, the objective of this Community Service Program (PKM) is to introduce rice threshing machines to partner groups. The method involves implementing rice threshing machine technology, including the allocation of 2 (two) fully mechanical rice threshing machines developed by the Agricultural Machinery Laboratory of Unpad. The accompanying mechanism and socialization involve lectures on post-harvest rice processing, specifically rice threshing, instructions on operating and maintaining rice threshing machines, and concluding with discussions. The results of this PKM show increased farmer knowledge regarding post-harvest rice processing, particularly rice threshing, with reduced grain loss (<2%), shorter threshing time (1 HOK), and a threshing machine capacity of 500 kg/hour.

KARAKTERISTIK FISIKO-KIMIA BRIKET SEKAM HANJELI BERDASARKAN PROSES PENGARANGAN Fahmi, Zulfikar; Thoriq, Ahmad; Sugandi, Wahyu Kristian; Yusuf, Asep
Eksergi Vol. 17 No. 1 (2021): JANUARI 2021
Publisher : Politeknik Negeri Semarang

Sekam hanjeli saat ini hanya berupa limbah yang tidak dimanfaatkan. Penelitian ini bertujuan memproduksi briket dari sekam hanjeli. Metode yang digunakan adalah rancangan acak lengkap dengan variabel terikat berupa konsentrasi perekat kanji (8%, 10%, 15%) sedangkan variabel bebas (densitas, nilai kalor, kadar air, kadar abu, kadar zat mudah menguap, kadar karbon terikat dan laju pembakaran). Selanjutnya dianalisis dengan Duncan Multiple Range Test. Penelitian dilakukan dengan dua metode pengarangan yaitu proses pengarangan terbuka dan pengarangan pirolisis. Arang yang dihasilkan dicampur dengan perekat sesuai variasi dan dicetak menjadi briket. Briket kemudian dianalisa densitas, nilai kalor, kadar air, kadar abu, kadar zat mudah menguap, kadar karbon terikat, dan laju pembakaran. Berdasarkan hasil analisa yang didapat dari penelitian briket biorang sekam hanjeli, kualitas briket biorang terbaik ditunjukkan oleh pengarangan pirolisis dengan komposisi perekat 8% densitas sebesar 0,70 gr/cm3, kadar air sebesar 2,37%, kadar abu sebesar 31,36%, kadar zat menguap sebesar 56,38%, kadar karbon terikat sebesar 12,26%, nilai kalor sebesar 3630 kal/gr dan laju pembakaran.

Co-Authors Adriana Sofyan Agisna Satria Maulana AHMAD THORIQ Ahmad Thoriq Alifia, Rachma Nur Amorita Iqradiella Amorita Iqradiella Angelina Batubara Anto Tri Sugiarto Anto Tri Sugiarto Arif Purwonugroho Asri Widyasanti Boy Macklin Pareira Prawiranegara Ch.F. Godang Tua Chay Asdak Cipta Endyana Desi Purnamasari Eka Aria Putra Elisabet Mutiara Hutabarat Eza Zahrotul Fuadah Fadzar Bagas Akbar Fahmi, Zulfikar Firdaus Firdaus Fitry Filianty Fuadah, Eza Zahrotul Ganjar Dianugraha Alam Hilman Syaeful Alam Hilman Syaeful Alam Hilman Syaeful Alam Hilman Syaeful Alam Hilman Syaeful Alam Kharistya Amaru Lambok Sinaga Lisa Oktavia Br Napitupulu Luthfie Hafidz Imaduddin M. Ade Moetangad Kramadibrata M. Dedi Ardana M. Hafizh Ulwan Mimin Muhaemin Moch Ilham Khoerulloh Mohamad Sapari Hadian Mubarok, Ruslan Muhammad Achirul Nanda Muhammad Saukat Mutia Safira N.P, Sophia Dwiratna Nadia Karimah Nadia Karimah Norberta Yuni Rusmintia Nurhadi, Ahmad Nurrachman, Mochamad Anfasa Oktora, Grace Indah Raka Rabean Alifazza Ramadhan, Naufal Fauzi Rikha Nurhasanah Ruminta Ruminta Ruslan Mubarok Sa'adah, Intan Siti Sella Fiana Selly Harnesa Putri Sidik Maulana Sophia Dwiratna Sophia Dwiratna N.P Sophia Dwiratna, Sophia Sudaryanto Sudaryanto Sugiarto, Anto Tri Surya P Sukoco TATI NURHAYATI Taufik Ibnu Salim Taufik Ibnu Salim Theresia Romey Thoriq, Ahmad Totok Herwanto Totok Herwanto Tri Yuliana Vibi Ledianti Wahyu K Sugandi Wahyu Kristian Sugandi Wahyu Sugandi Zaida Zaida Zanthy, Luvy Sylviana

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