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Qohar, Abd.

Universitas Negeri Malang

Author-ID : 609964

Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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Development of Learning Media Assisted by Geogebra and Interactive Games on Cone Material Muazarah, Salma Farihah; Qohar, Abd.; Sisworo, Sisworo
Unnes Journal of Mathematics Education Vol. 14 No. 1 (2025): Reguler Issue
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/ujme.v14i1.19930

The swift advancement of technology offers significant opportunities for the field of education. Technological progress serves as a tool to facilitate teaching and learning processes. One notable application is in the selection of learning media, which plays a crucial role in ensuring that educational activities align with current needs. The aim of this study is the researcher will develop learning media assisted by Geogebra and Interactive Games that are valid, practical, and effective on cone material. This study utilizes a research and development (R&D) approach, applying Thiagarajan’s 4-D model. The participants consisted of 26 students from class IX-B at the Laboratory Junior High School of Malang State University. The findings revealed that the media's validity scored an average of 80%, categorizing it as "Feasible," thus confirming its validity. Effectiveness was assessed by analyzing the test results of the 26 students, with an average score of 84, indicating strong effectiveness. Practicality was evaluated through a student feedback survey, which showed a practical rating of 80%. Based on these findings, the online interactive learning materials, utilizing GeoGebra and Construct 2 to create interactive games on cone volume, were deemed valid, practical, and effective, making them suitable for use in educational settings.

Kemampuan Komunikasi Matematis Tulis Siswa SMP Tipe Camper pada Soal Literasi Matematika Wahyuningtyas, Daniar; Qohar, Abd.; Kusumasari, Vita
Indiktika : Jurnal Inovasi Pendidikan Matematika Vol. 7 No. 2 (2025): Indiktika : Jurnal Inovasi Pendidikan Matematika
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/indiktika.v7i2.17177

Kemampuan komunikasi matematis tulis merupakan salah satu kemampuan penting yang harus dimiliki oleh siswa. Kemampuan ini meminta siswa untuk mampu menuangkan gagasan dan ide-ide yang mereka miliki dalam bentuk tulisan. Kemampuan ini dipengaruhi oleh karakteristik siswa yaitu ketahanan dalam menghadapi sebuah kesulitan. Soal literasi matematika dianggap mampu membantu menggali informasi terkait kemampuan komunikasi matematis tulis siswa. Jenis penelitian ini adalah penelitian kualitatif yang bertujuan untuk mendeskripsikan kemampuan komunikasi matematis tulis siswa SMP tipe camper dalam menyelesaikan soal literasi matematika. Penelitian dilakukan dalam beberapa tahap, yaitu: 1) pemilihan kelas subjek penelitian; 2) pengembangan instrumen dan validasi; 3) pemberian angket Adversity Response Profile (ARP) dan soal tipe literasi matematika kepada siswa; 4) reduksi data; 5) analisis data dan penyajian data, serta; 6) penarikan kesimpulan. Analisis data dilakukan dengan teknik deskriptif dengan berpedoman pada indikator kemampuan komunikasi matematika tulis. Subjek penelitian adalah 26 siswa SMP kelas XI yang selanjutnya hanya dipilih empat orang untuk dianalisis jawabannya. Hasil penelitian menunjukkan kemampuan komunikasi matematis siswa camper dikategorikan sudah baik dan memenuhi hampir seluruh indikator kemampuan komunikasi matematis, namun masih terdapat kekurangan seperti masih adanya kesalahan penggunaan simbol matematika dan ketidaklengkapan penulisan keterangan.

Relationship between Exposure to Solid Waste and Dengue Incidence in Communities Surrounding Bakung Landfill Bandar Lampung Rosmawati, Dwi; Asrowi, Ridho Hanan; Qohar, Abdul; Windari, Fitri
Jurnal Ilmiah Kesehatan Masyarakat : Media Komunikasi Komunitas Kesehatan Masyarakat Vol 17 No 2 (2025): JIKM Vol. 17, Issue 2, May 2025
Publisher : Public Health Undergraduate Program, Faculty of Health Science, Universitas Pembangunan Nasional Veteran Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52022/jikm.v17i2.762

Abstract Background: Dengue Hemorrhagic Fever (DHF) is a significant public health issue in Indonesia, including Bandar Lampung City. Environmental factors, such as poorly managed landfills, are suspected to contribute to the increase in dengue cases by creating conditions supporting the breeding of Aedes aegypti mosquitoes, particularly through stagnant water formed among unmanaged waste piles. The aim of this study was to analyze the relationship between exposure to solid waste (household waste, non-hazardous industrial waste, and construction waste) around the Bakung landfill and the incidence of dengue fever in the surrounding community. Method: Cross-sectional design was conducted in February 2024 in 200 households within a 500-meter radius of the Bakung landfill, selected through purposive sampling. Data were collected through structured questionnaires, interviews, and environmental condition observations. Statistical analysis used chi-square tests and logistic regression to determine relationships and main risk factors. Result: research results show that there was a significant relationship between solid waste exposure and the incidence of dengue fever (p=0.019), with communities exposed to solid waste (household waste, non-hazardous industrial waste, and construction waste) having a 3 times greater risk of contracting dengue fever compared to those not exposed (OR=3.01; p=0.013). In addition, the habit of maintaining environmental cleanliness was also significantly associated with the incidence of dengue fever (p=0.027). The community with good cleanliness habits has a lower risk of contracting dengue fever (OR = 0.43; p = 0.029). Conclusion: This study emphasizes that poor waste management and low environmental hygiene increase DHF cases. Therefore, efforts to improve waste management in Bakung landfill, community education related to sanitation, and government intervention in disease vector control are needed to reduce the incidence of DHF in the area.

The Age Limit for Marriage in Brunei Darussalam in Maslahah and Legal Politics Perspectives Faizal, Liky; Qohar, Abd
Jurnal Mahkamah : Kajian Ilmu Hukum dan Hukum Islam Vol. 6 No. 1 June (2021)
Publisher : Institut Agama Islam Ma'arif NU (IAIMNU) Metro Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/jm.v6i1.1334

Brunei Darussalam which embraces Islamic law reform must be carried out in line with what is the goal of Islamic law itself, which is to fulfill the demands of the instincts of human life, and must be based on maslahah which is in line with the principles of maqoshid al-shari'ah and in accordance with the objectives law in the legal system. The formulation of the problem in this article was related to the age limit of marriage in Brunei Darussalam in the perspective of law and politics. The purpose of this research was to understand the legal and political review of the legal determination of the age limit of marriage in Brunei Darussalam. The research type was library research, by collecting data obtained from library research sourced from several books, theses, journals and articles related to the title to be discussed. This research used a juridical, normative, philosophical, and historical approach that served as the answer and solution to the problems that exist in the community and state. The results of this research were that the application of the concept of maslahah to the minimum age limit for marriages in Brunei Darusslam had not been carried out optimally because the country had local wisdom that was still considered in accordance with the context of their respective countries. In the political perspective of legal regulations the minimum age of marriage in Brunei Darussalam still needed to be improved in its justice, legal certainty, and legal usefulness.

Pengembangan Media Manipulatif Papan Abce Pada Materi Luas Permukaan Bangun Ruang Sisi Datar 'Aniqoh, Lazatin; Qohar, Abd; M. Husen Al Farisy
Journal of Mathematics Education and Science Vol. 8 No. 1 (2025): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v8i1.4408

Junior high school students often struggle to understand mathematical concepts. Observations of classroom learning indicate that many students find it difficult to grasp mathematical ideas when there is no tangible representation of those concepts. One such challenge lies in understanding the surface area of three-dimensional geometric shapes with flat faces. Students’ academic performance is also influenced by their interest in the learning process and the tools used. This study aims to develop a manipulative learning media called the "ABCe Board," designed to assist students in discovering the concept of surface area in solid shapes with flat faces. The development of this media followed the ADDIE model. Data collection and analysis techniques were conducted on a limited scale. The research subjects consisted of 18 students from SMP Ar-Rohmah Putri, focusing on the topic of surface area of solid figures. Validity analysis by experts indicated that the media met the criteria for validity, with an average score of 3.4. Meanwhile, practicality analysis based on student responses showed that the media was considered practical, with an average score of 3.39. The media is recommended for use in mathematics instruction to help students understand the concept of surface area more concretely.

TRANSFORMASI POLITIK ISLAM INDONESIA MENUJU SENTRALITAS PERDAMAIAN INTERNASIONAL Zulharman, Zulharman; Qohar, Abd.; Hardiyatullah, Hardiyatullah
Al-Muqaronah: Jurnal Perbandingan Madzhab dan Hukum Vol. 3 No. 2 (2024): Al-Muqaronah : Jurnal Perbandingan Madzhab dan Hukum
Publisher : STIS Darussalam Bermi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59259/am.v3i2.229

Transformasi politik Islam di Indonesia menunjukkan perkembangan yang signifikan dalam peranannya di kancah internasional, khususnya dalam membangun narasi perdamaian global. Sebagai negara dengan populasi Muslim terbesar di dunia, Indonesia menghadirkan wajah Islam yang moderat, inklusif, dan demokratis. Politik Islam Indonesia tidak hanya terbatas pada ranah domestik, tetapi juga mulai memainkan peran strategis dalam diplomasi internasional, resolusi konflik, dan dialog lintas agama. Penelitian ini bertujuan untuk menganalisis dinamika transformasi politik Islam Indonesia dari orientasi ideologis menuju orientasi praksis yang mengedepankan perdamaian, toleransi, dan keadilan global. Melalui pendekatan kualitatif-deskriptif, penelitian ini menemukan bahwa organisasi keagamaan seperti Nahdlatul Ulama dan Muhammadiyah, serta kebijakan luar negeri yang berbasis nilai-nilai Islam wasathiyah, telah menjadi instrumen utama dalam membangun citra Indonesia sebagai sentrum perdamaian internasional. Kesimpulannya, politik Islam Indonesia memiliki potensi besar sebagai model politik keislaman global yang mengedepankan harmoni dan solusi terhadap konflik dunia.

STUDENTS’ ERRORS IN TRANSLATING MATHEMATICAL REPRESENTATIONS FROM SYMBOLIC TO GRAPHICAL FORM IN QUADRATIC FUNCTIONS Safitri, Rizqi Febriana; Qohar, Abd.; Sisworo, Sisworo
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 14, No 2 (2025)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v14i2.10822

Representation is an important element in mathematics learning that helps make abstract mathematical ideas more concrete. Changes between forms of representation, called translations of mathematical representations, are necessary in mathematics learning. However, students often struggle with this process, as evidenced by errors in problem-solving. These errors can be categorized into three types: interpretation errors, implementation errors, and preservation errors. Based on these facts, a solution is needed to overcome student errors. However, to formulate the right solution, an in-depth study is needed regarding student errors in translation. Therefore, this study aims to analyze and describe junior high school students' errors, especially in translating representations from symbolic to graphical form in quadratic function material. The method used is descriptive qualitative, involving three class IX students with different mathematical abilities as research subjects. The results of this study showed that high-ability students made few interpretation, implementation, and preservation errors from the stage of unpacking the source to constructing the target. Moderate-ability students made some interpretation and implementation errors from the stage of unpacking the source to constructing the target. Meanwhile, low-ability students made many interpretation, implementation, and preservation errors from the stage of unpacking the source to determining equivalence. To overcome these errors, teachers can apply level 1 scaffolding (environmental provisions) and level 2 scaffolding (explaining, reviewing, and restructuring). In conclusion, students with different mathematical abilities each have difficulties in making translations. The factors causing these errors include inaccuracy, neglect of important aspects, inappropriate habits, and conceptual errors.

PEMILIHAN GUBERNUR LAMPUNG TAHUN 2018 DALAM UPAYA MEWUJUDKAN PEMILIHAN YANG DEMOKRATIS Wahid, Ali Abdul; Qohar, Abd.
ASAS Vol. 12 No. 01 (2020): Asas, Vol. 12, No. 01 Juli 2020
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/asas.v12i01.6930

One of the functions of the Election Oversight Body (Bawaslu) is to supervise stages and prevent election violations. The authority of the Election Supervisory Authority is given to the Election Oversight Body (Bawaslu) and its subordinates in this case the Election Supervisory Body at the Regency / City level in Lampung Province. There is a strategic and significant Bawaslu function, which is to avoid potential election violations arising by implementing an optimal prevention strategy. Bawaslu has a strategic function and role in efforts to create democratic elections. This can also be seen in the Election of governors and deputy governors (pilgub) Lampung which took place on 27 June 2018. The problem in this paper is how the role of Bawaslu in the implementation of the governor election of Lampung Province in 2018 in an effort to realize democratic elections and what are the factors affect the performance of the Election Supervisory Body in the implementation of the election of governor of Lampung Province in 2018 in an effort to realize democratic elections?The results of the study are first, the role of the Election Supervisory Body in the implementation of the governor of Lampung province in 2018 in an effort to realize democratic elections contained in the voter data update based on population data and the determination of provisional voter candidates and permanent voter lists, the implementation of campaigns in the district / city, Election Logistics and Distribution, Implementation of Voting and Vote Counting of Election Results, Implementation of Election Socialization. Second, the factors that influence the performance of the Election Supervisory Body in the implementation of the election of the governor of Lampung Province in 2018 in an effort to realize a democratic election, namely structural factors, namely (1) Number of Personnel. (2) Supporting facilities. (3) The tasks and authority are not comparable to operational funds. Substance factors are regulatory issues, the government must also pay attention to the Fund, plus the amount of PPL that is not proportional to the area to be monitored, cultural factors namely the community chooses not based on conscience that is in accordance with the capacity and electability of the candidate for the Governor but based on the principle of regionalism. Keywords: Bawaslu, Election, Democratic

A Critical Analysis of Sayyid Husain al-Ṭabāṭabā’i’s Thoughts on Mut’ah Marriage in The Book of Tafsīr al-Mīzān Faizal, Liky; Qohar, Abd.; Wahid, Ali Abdul; Rofi'i, Hilmi Yusron
al-'adalah Vol 21 No 1 (2024): Al-'Adalah
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/adalah.v21i1.19381

This article discusses Sayyid Husain al-Ṭabāṭabā’i's thoughts on mut'ah marriage (contract marriage) in his book Tafsīr al-Mīzān. The aim is to gain a broader understanding that can be used as material in preparing better legislative regulations. This research is descriptive library research, using secondary data sources in the form of primary and secondary legal materials. The results of the study show that according to al-Ṭabāṭabā'i, mut'ah marriage is a legal marriage, as explained in Tafsīr al-Mīzān, where the word istamta'tum refers to the term mut'ah marriage. However, the MUI fatwa states that the mut'ah contract is not a valid marriage and is contrary to the laws and regulations in Indonesia. The MUI considers mut'ah marriage to be something that does not follow Sharia principles. Therefore, to prohibit the practice of mut'ah marriage in Indonesia, it is recommended that there be changes to Article 2 of Law Number 1 of 1974 concerning Marriage to read: "A valid marriage is the marriage carried out following religion and is registered in accordance to statutory regulations."

Eksistensi Gerakan Idiologi Transnasional HTI Sebelum dan Pasca Pembubaran Qohar, Abd; Hakiki, Kiki Muhamad
KALAM Vol 11 No 2 (2017)
Publisher : Faculty of Ushuluddin and Religious Study, Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/klm.v11i2.1403

This article attempts to explore the local development of Hizbut Tahrir Indonesia (HTI), especially in Lampung. The research focuses on the networks of HTI’s recruitment to maintain its identity. It also alludes how the existence of HTI withstands with its dissolution in the era of President Joko Widodo. The research concludes: Firstly, there are systematically some procedures to contend the politics of identity and HTI’s recruitment such as organizing the demonstrations, striving seminar and public discussion, media networks, approaching to the prominent figures and educational institutions, interpersonal recruitment, and halaqah (personal indoctrination). Secondly, there two possibilities of post-dissolution of HTI that would be executed, 1. The formation of new mass organization as the alternate of HTI. 2. To be new party or proceed to join the Islamic Party. They may search the parties that are ideologically identical or similiar to HTI’s ideology like PKS, PPP, PAN, PBB. This would be happened if they fail to scramble and to maintain its ideology in the form of new mass organization.

Co-Authors 'Aniqoh, Lazatin ., Humaidi Abdul Rozak Abdur Rahman As’ari Adityawan, Tofan Afrianti, Reny Eka Nur Agyatus, Istimewa Septi Ahmad Choirul Rofiq Ahyansyah, Ahyansyah Aini Renanda Ajhuri, Kayyis Fithri Al Ashari, Iqbal Ma'ruf Al-Bahra Al-Bahra, Al-Bahra Ali Abdul Wakhid Alip Rahmawati Zahrotun Nisa Aliyando Rifansyah andi hermawan Andi Thahir Angga Natalia, Angga Anis Rochma Pratiwi Anita Dewi Utami Antonius Bruno Arik Murwanto Arsyad Sobby Kesuma Asrowi, Ridho Hanan Asyika, Samsul Irpan Avenzoar, H. Nur Avenzoar Azizah Azizah Badriyanto, Badriyanto Bapa, Agustinus Tamo Bayu Ariawan Benyamin Benyamin Benyamin Benyamin, Benyamin Bruno, Antonius Budi, Bhakti Setya Burhanatut Dyana Cholis Sa’dijah Chusnul Ma'rifah Cindy Indra Amirul Fiqri Citra Wahyuni Cut Devy Nurfitriani Damayanti, Febri Dini Wahyu Damayanti, Puspita Ayu Danang Setyadi Daniatun, Rahma Darmojo, Hardjito S. Desyandri Desyandri Devita Rizka Utami Dewi Kristika Findia Ning Tyas Diana Sari Hasibuan Dwiyana Dwiyana Dyah Ayu Pramoda Wardhani Efa Rodiah Nur Eko Hidayat Erlanda Nathasia Subroto Erry Hidayanto Eska Prawisudawati Ulpa Fadli, Muh Fahrur Rozi Hadiyanto Faisal, Liky Faisal Fajar Maulana Rahmad Fakhrur Razi Faridha, Nurul Fashihah Fashihah Fashihah Fashihah Fathiyati, Fathiyati Faula Rossydha Fauzi, Moh. Yasir Fazira, Shima Kunaza Feliza, Amelia Resti Feri Kurniawan Firdaus Firdaus Gatot Muhsetyo Gesit Yudha Hajjah Rafiah Handayaningsih, Rohyatun Hanif, H. Hanny Hafiar Harapandi Dahri Syahrum Hardiyatullah, Hardiyatullah Harsayandaru Himawan Herti Prastitasari Hery Susanto Hery Susanto Hidayati, Ira Hijriani, Lailin Hijriani, Lailin Hilmi Yusron Hilmi Yusron Rofi’i Hilyatin Nisak Sam, Hilyatin Nisak Himmatul Ulya I Made Sulandra I Nengah Parta Ibnu Nurdiansyah Ibrohim Idham, I. Idul Adnan Ika Ujiana Sugianto Indah Tri Septiani Ipung Yuwono Irma Nugraheni Iska Agustina Izzah, Jauharotul Izzatul Ulya Izzatul Ulya, Izzatul Jojor Janni Astuti Sigalingging Jurisman Kadji, Jurisman Jurisman M. Kadji Kamaruddin, Mohd Khairi Khoiriya Ulfah Khudlori, Ahmad Kiki Muhamad Hakiki Laelinatul Choeriyah Laelinatul Choeriyah Lalu Indar Anggara Putra Lathifa Millati Saifullah Lathiful Anwar Lia Yuliati Liky Faizal Lina Mardianti Lina Setiawati Lisarani, Varetha Luluk Masruroh, Luluk M Zainul Arifin M. Husen Al Farisy M. Zainul Arifin Makbul Muksar Mardhiyah, Elok Izzatul Mayangsari, Cintya Miftha Huljannah Moh. Mukri Muazarah, Salma Farihah Muhammad Nashirun Muhammad Zaki Muhana Gipayana Muqtada, Moh. Rikza Murwanto, Arik Muspratiwi Pertiwi MR Nilam Nur Jazilatur Rohma Niswah, Ulvatun Nur Ali Nurmala Dewi, Nurmala Nurul Ilmi Badrud Dhujjah Oktavia, Dewi Permadi, Hendro priyatama, agung handi Puguh Darmawan Puji Astuti Purwanto Purwanto Purwanto Purwanto, Aldi Puspita Rahayuningsih Qohar, Abd, Qohar, Abdul Qohar Rahma Daniatun Rahmad, Fajar Maulana Ratri Rahayu Renanda, Aini Reno Warni Pratiwi Reny Eka Nur Afrianti Rezki Fitria Hartini Ridho, M Ma’shum Risa Utaminingsih Rofi'i, Hilmi Yusron Rofiqur Rahman, Zainur Rohmah Nila Farida Rosa Amalia Adiafidah Rosmawati, Dwi Rossa, M Adila Rossa, M. Adila Saad, Muhamad Ikhwan Mat Safitri, Rizqi Febriana Saifullah, Lathifa Millati Sam, Hilyatin Nisak Sapti Wahyuningsih, Sapti Sebti Mardiana Senja Richmasari Sisworo siswosuharjo, partono Sofyan Hadi Sri Indah Dwirahmasari Yudha Sri Mulyati Subanji Subanji Sugianto, Ika Ujiana Sukoriyanto Sulistio, Wahyu Susanto, Is Susiswo Suwito, Ruth Widyati Swasono Rahardjo Swasti Maharani Swasti Maharani Syafii, Hafidt Abdulloh Bin Syarifah, Rif'atul Tajuddin, Nilawati Tanjung, Akbar Thoha, Annisa Fatin Titik Harsiati Tjang Daniel Chandra Toni Hidayat Toto Nusantara Trianingsih Eni Lestari Ulfa Ni'matil Hasanah Ulvatun Niswah Utari Sumarmo Utari Sumarmo Vita Kusumasari Wahid, Ali Abdul Wahyu Sulistio WAHYUNI, CITRA Wahyuningtyas, Daniar Wardah Shofiyyah Widi Candika Pakaya Windari, Fitri Yudha, Gesit Yudha, Gesit Yudha Yudha, Sri Indah Dwirahmasari Yudhi Hanggara Yuni Katminingsih Yusron Rofi?i, Hilmi Zaki, H. Muhammad Zuhadur Ra'is Ariyono Putra Zulharman Zulharman Zuliati, Sulis Dwi

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