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Korelasi SST, OLR Terhadap Curah Hujan di Wilayah Pesisir Timur Sumatera Utami, Amanda Kurnia; Irfan, Muhammad; Akhsan, Hamdi
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 2 (2025): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i2.4852

Abstract

This study aims to analyze the influence of sea surface temperature (SST), outgoing longwave radiation (OLR), and the Indian Ocean Dipole (IOD) on rainfall dynamics in the peatlands of East Sumatra’s coast. Data from ERA5 (SST, OLR), BMKG (rainfall), and a calculated IOD index (1982–2024) were analyzed quantitatively using Python and Pearson correlation. Results show SST in the Indian and Pacific Oceans correlates significantly and positively with rainfall (r > 0.6; p < 0.05), confirming the dominant roles of IOD and ENSO. OLR exhibits a strong negative correlation (r < –0.7; p < 0.05), reflecting its inverse relationship with convective activity and rainfall. The IOD index is significantly correlated with rainfall variation, particularly during positive IOD events, which are linked to rainfall deficits and increased peat fire risk. This quantitative analysis provides a basis for predicting rainfall and mitigating peatland fires. 
PERBEDAAN MOTIF DAN KEPUASAN BERKOMUNIKASI PENGGUNA APLIKASI CHATTING LINE DAN BLACKBERRY MESSENGER (BBM) PADA MAHASISWA UNIVERSITAS RIAU Irfan, Muhammad; ", Rumyeni
Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Vol. 5: Edisi I Januari - Juni 2018
Publisher : Fakultas Ilmu Sosial dan Ilmu Politik Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The purpose of this research is to know the difference of motive and satisfaction to communicate user of Line and Blackberry Messenger (BBM) chat application on Student of Riau University. Population in this research is student of Riau university which use application of chatting Line and BBM which counted active in year 2017 that is 37001 students. However, it is not known exactly the number of application population Line and BBM on students of the of Riau University. Because the population is large and the number is not known exactly, then in determining the sample using the formula Unknown Populations who get the sample of 135 students. And for the selection of respondents conducted degan use Incidental Sampling sampling method. To answer the hypothesis then use the Independent Samples T Test with the help of SPSS 21 program. Based on comparison of mean GS application score line with mean score of GS application of fuel, it is obtained that mean application score of 4,047 is superior compared to mean score of application of BBM of 4.036 GS Line> GS Bbm comparison of mean score of GO application line with mean score GO of BBM application, obtained that the mean of the Line application score of 4,085 is superior to the mean score of the BBM application of 4,036 GO Line> GO Bbm. Then based on the value of t arithmetic and significance of motive variables and satisfaction of the use of BBM chat application and Line Motif. Obtained t value (0,230) <t table (1,969) or significance (0,818)> 0,05. This means that there is no difference in the motive of using BBM chat application with Line. Satisfaction. Obtained value t count (3.290)> t table (1,969) or significance (0.001) <0.05. This means that there is a difference in the satisfaction of using BBM chat application with Line.Keywords: Motives, Satisfaction, Line and Blackberry Messenger (BBM)
Participatory Observation Approach Participatory Rural Appraisal Method in Formulating Development Guidelines for the Lakkang Delta Area as a Tourism Destination Ali, Mukti; Akil, Arifuddin; ., Ihsan; Osman, Wiwik Wahidah; Patandianan, Marly Valenti; Dewi, Yashinta Kumala; Ekawati, Sri Aliah; Sastrawati, Isfa; Irfan, Muhammad; Lakatupa, Gafar; Jayadi, Nur; Munir, Ahmad Saiful; Maharani, Andi Dinda; Makalang, Andi Habib
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 8 No 2 (2025): Collaboration for Accelerated Community Achievement
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v8i2.625

Abstract

The Lakkang Delta area in Tallo District, Makassar City, is a unique small island surrounded by the Tallo and Pampang Rivers, presenting the character of a ‘village in the middle of the city’ with high ecological, social and cultural potential. However, limited accessibility, basic infrastructure and tourism institutions mean that its potential has not been optimized. This community service activity was carried out in Lakkang Village, Tallo District, Makassar City, involving 30 participants consisting of the community, village officials, and representatives of tourism awareness groups. This activity aimed to develop guidelines for the development of the Lakkang Delta area as a community based ecotourism destination using the Participatory Rural Appraisal (PRA) method. This method includes participatory mapping, transect walks, in-depth interviews, and door-to-door socialization to explore local potential and actual problems in the field. The activity was evaluated through pre-test and post-test to measure the community's level of understanding of the concepts of ecotourism and spatial-based planning. The results showed a significant increase in the average understanding score from 60 to 85 (an increase of 41.6%). The main identified potentials were bamboo forests, fishponds, and Japanese bunker historical sites, as well as the social value of mutual cooperation. The main issues included transportation access, basic infrastructure, and tourism management institutions. This activity had a direct impact on increasing the community's capacity to manage tourism potential, the creation of a participatory potential map, and recommendations for development strategies aligned with the Makassar City Spatial Plan (RT/RW) 2024–2043. Thus, this activity demonstrated the effectiveness of the PRA method in promoting active participation and ecological awareness among the community.
Dinamika Karakteristik Curah Hujan Harian Wilayah Gambut Sumatera Kaitannya dengan El Niño Southern Oscillation (ENSO) dan Indian Ocean Dipole (IOD) Irfan, Muhammad; Saleh, Khairul; Kurniawati, Nety
Jurnal Penelitian Pendidikan IPA Vol 11 No 11 (2025): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i11.13324

Abstract

Sumatran peatlands constitute a highly vulnerable ecosystem strongly Sumatran peatlands are a vulnerable ecosystem highly sensitive to daily rainfall variability driven by large-scale climate modes such as El Niño–Southern Oscillation (ENSO) and the Indian Ocean Dipole (IOD). This study analyzes the frequency distribution and intensity of daily rainfall over Sumatran peatlands from 1995 to 2023 in relation to ENSO and IOD phases. Daily rainfall data from nine BMKG stations were analyzed using Probability Density Function (PDF), supported by monthly climatology and Fast Fourier Transform (FFT) spectral analysis. Results show a right-skewed rainfall distribution, with peak frequency below 20 mm/day. During El Niño and positive IOD events, the PDF shifts leftward, indicating increased dry days; during La Niña, the right tail extends, increasing extreme rainfall probability. FFT reveals dominant annual cycles and sub-seasonal signals linked to the Madden-Julian Oscillation. Spatial patterns are consistent, though inland stations show stronger responses than coastal ones. Despite the lack of seasonal stratification and formal significance testing in this preliminary analysis, findings highlight how ENSO and IOD alter rainfall risk—drought during warm phases and flooding during cold phases. These insights support the development of early warning systems and climate-informed peatland management policies
Analisis Potensi Bencana Akibat Cuaca Ekstrem di Kabupaten Ogan Ilir (Studi Kasus: Angin Puting Beliung) Lestari, Indah; Kurniawati, Netty; Sutopo, Sutopo; Erni, Erni; Hadi, Hadi; Bama, Akhmad Aminuddin; Koriyanti, Erry; Safrina, Sri; Irfan, Muhammad
Jurnal Penelitian Sains Vol 27, No 3 (2025)
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56064/jps.v27i3.1280

Abstract

Cuaca ekstrem merupakan salah satu fenomena hidrometeorologi yang berdampak signifikan terhadap kehidupan masyarakat di Indonesia. Penelitian ini bertujuan untuk mengetahui potensi bencana cuaca ekstrem berupa angin puting beliung di Kabupaten Ogan Ilir dengan menganalisis parameter terkait menggunakan pendekatan Sistem Informasi Geografis (SIG). Parameter yang digunakan dalam penelitian ini meliputi tutupan lahan, kemiringan lereng, dan curah hujan. Metode yang digunakan seperti overlay dan skoring berdasarkan pedoman Perka BNPB Nomor 2 Tahun 2012. Data diperoleh dari berbagai sumber seperti Badan Informasi Geospasial (BIG) dan Climate Hazards Group InfraRed Precipitation with Station (CHIRPS). Seluruh data diolah menggunakan Software ArcGIS 10.8. Hasil penelitian menunjukkan bahwa seluruh wilayah Kabupaten Ogan Ilir tergolong dalam kategori bahaya tingkat  sedang dengan luas total 224.415,51 hektare atau 100% dari total wilayah. Klasifikasi ini dipengaruhi oleh dominasi curah hujan menengah sekitar 74,21%, kemiringan lereng datar sekitar 93,59%, serta tutupan lahan berupa tanah terbuka dan sawah.
Application Of Transformer Diagnostic Application To Improve Students' Analytical Skills In Transformer Courses Of Electrical Engineering D4 Program Sidik Sidin, Udin; Prasojo, Kholik; Irfan, Muhammad; Suhartono, Suhartono
IJORER : International Journal of Recent Educational Research Vol. 6 No. 4 (2025): July
Publisher : Faculty of Teacher Training and Education Muhammadiyah University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46245/ijorer.v6i4.975

Abstract

Objective: This study aimed to address the prevalent difficulty among electrical engineering students in applying theoretical knowledge to the practical interpretation of transformer diagnostic data. The primary objective was to assess the effectiveness of a purpose-built diagnostic software application in improving the analytical skills required for this task. Method: The research employed a quasi-experimental, one-group pretest-posttest design involving a sample of 36 undergraduate students in a D4 Electrical Engineering program. Participants' analytical skills were measured before and after the intervention, which consisted of training with the diagnostic application. Data were collected through quantitative tests, student perception surveys, and instructor observation sheets. The analysis involved paired sample t-tests and N-Gain calculations, with findings triangulated using qualitative feedback to enhance validity. Result: The intervention yielded highly positive outcomes, demonstrating a statistically significant improvement in students' analytical abilities. The mean score rose from 56.19 to 82.58, and an average N-Gain score of 0.61 classified the application's effectiveness in the "medium improvement" category. These quantitative findings were strongly supported by qualitative data, wherein students reported the application to be highly intuitive and effective in transforming passive learning into an active, contextualized, and confidence-boosting experience. Novelty: The novelty of this research lies in providing empirical evidence for a scalable and effective pedagogical tool that bridges the critical gap between academic theory and industry-required practical skills. This study presents a validated software-based solution to a persistent challenge in vocational engineering education, demonstrating a tangible method for better preparing graduates to meet professional demands in transformer diagnostics.
Sosialisasi Penerapan Pendidikan Inklusi bagi Guru di UPT SPF SD Inpres Kassi-Kassi Makassar: Sosialisasi Penerapan Pendidikan Inklusi bagi Guru di UPT SPF SD Inpres Kassi-Kassi Makassar Irfan, Muhammad; Awayundu; Usman, Usman
Paramacitra Jurnal Pengabdian Masyarakat Vol. 3 No. 01 (2025): Volume 03 Nomor 01 (November 2025)
Publisher : PT Ininnawa Paramacitra Edu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62330/pjpm.v3i01.452

Abstract

Pendidikan inklusi merupakan amanat undang-undang yang menuntut sekolah reguler untuk dapat melayani keberagaman peserta didik Kadir, A. (2015).. Namun, implementasi di lapangan sering terkendala oleh minimnya kompetensi guru dalam menangani Anak Berkebutuhan Khusus (ABK). Kegiatan Pengabdian kepada Masyarakat (PkM) ini bertujuan untuk meningkatkan pemahaman dan keterampilan guru di UPT SPF SD Inpres Kassi-Kassi Makassar dalam penyelenggaraan pendidikan inklusi. Metode pelaksanaan dilakukan melalui workshop partisipatif yang meliputi sosialisasi konsep, pelatihan identifikasi dan asesmen sederhana, simulasi strategi pembelajaran diferensiasi, serta penyusunan Rencana Aksi Sederhana (RAS). Kegiatan ini diikuti oleh seluruh guru kelas dan guru mata pelajaran. Hasil evaluasi menunjukkan peningkatan signifikan pada kompetensi guru, ditandai dengan kenaikan nilai rata-rata pemahaman dari 43 (kategori Kurang) pada pre-test menjadi 81,6 (kategori Sangat Baik) pada post-test. Selain itu, terbentuknya Tim Inti Inklusi (TII) sebagai local champion menjadi indikator keberlanjutan program di sekolah mitra. Kegiatan ini menyimpulkan bahwa intervensi berbasis praktik (hands-on) efektif dalam menjembatani kesenjangan antara kebijakan inklusi dan praktik pembelajaran di kelas.
Analysis Effect Of Peer Pressure On Academic Performance And Mental Health Among Students Of The Faculty Of Medicine, University Of Mulawarman, Academic Year 2024/2025 Farras, Rakha Andhika; Al Yazid, Naufal Sulthan; Sihotang, Cecilia Florentina; Irfan, Muhammad; Putri, Amanda Amalya; Dahlan, Galena Humairah; Rahmawati, Elsa Aulia; Simanjuntak, Grace; Marwan, Muhammad Arkan Ali; Wibowo, Raden Ayu Utami; Rahma, Khairunnida
Mulawarman International Conference on Tropical Public Health Vol. 2 No. 2 (2025): The 4th MICTOPH
Publisher : Faculty of Public Health Mulawarman University, Indonesia

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Abstract

Background : Students often face academic pressures that significantly affect their grades, character, and overall well-being. Peer pressure, stemming from academic demands and competition, frequently leads to comparisons with peers, influencing both academic performance and mental health. Objective : This study explores the impact of peer pressure on academic achievement and mental health among students at the Faculty of Medicine, Universitas Mulawarman, in the 2024/2025 academic year, and identifies strategies to manage it. Research Methods/ Implementation Methods : A correlational research design using quantitative methods was applied, with data collected via a Likert scale survey. The sample consisted of 69 students, with the sample size determined using the Krejcie and Morgan formula. Data were analyzed using Pearson’s correlation. Results : The results indicate a strong positive correlation between peer pressure and its negative impact on academic performance (correlation coefficient: 0.683; Interval: 0.60–0.799). Similarly, a strong positive correlation was found between peer pressure and its negative impact on students' mental health (correlation coefficient: 0.726; Interval: 0.60–0.799). Conclusion/Lesson Learned : These findings suggest that peer pressure significantly affects both academic performance and mental well-being among medical students. While the results highlight the negative aspects of peer pressure, it is important to note that peer pressure can also motivate students and improve their performance. Future research should explore both the negative and positive impacts of peer pressure in more detail.
Prediction of flood-affected areas based on geographic information system data using machine learning Faruq, Amrul; Syafaah, Lailis; Irfan, Muhammad; Abdullah, Shahrum Shah; Mohd Hussein, Shamsul Faisal; Yakub, Fitri
IAES International Journal of Artificial Intelligence (IJ-AI) Vol 14, No 6: December 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijai.v14.i6.pp4675-4683

Abstract

Flood disasters have become more frequent and severe due to climate variability, posing significant threats to human lives, agriculture, and infrastructure. Effective disaster management and mitigation require accurate identification of flood-prone areas. This study develops an intelligent flood prediction system by integrating machine learning algorithms with geographic information systems (GIS) data to enhance flood risk assessment. The proposed system utilizes two machine learning models, including random forest (RF) and support vector machine (SVM), to predict flood-susceptible areas. The models are trained on historical flood data and GIS-derived features, including elevation, slope, topographic wetness index (TWI), aspect, and curvature. The dataset undergoes preprocessing, including normalization and feature selection, before being divided into training, validation, and test sets. The models are then trained and evaluated based on their predictive performance. Evaluation metrics, particularly the area under the curve (AUC), demonstrate that RF outperforms SVM in predicting flood-prone areas. RF achieves an accuracy of 82%, while SVM records a lower accuracy of 68%. The superior performance of RF is attributed to its ability to handle complex, nonlinear relationships in flood prediction. These results highlight the effectiveness of machine learning algorithms in flood susceptibility modeling and support the integration of data-driven techniques into flood and disaster risk reduction management strategies.
Peningkatan Keterampilan Guru dalam Menggunakan Alat Peraga Sederhana Berbasis Lingkungan Irfan, Muhammad; Syamsuddin, Afdhal Fatawuri; Putrawan, Muh. Rizah; Natsir, Siti Zahra Mulianti
Seminar Nasional Pengabdian Kepada Masyarakat SEMINAR NASIONAL 2025:PROSIDING EDISI 8
Publisher : Seminar Nasional Pengabdian Kepada Masyarakat

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Abstract

Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan keterampilan guru dalam merancang dan memanfaatkan alat peraga sederhana berbasis lingkungan sebagai media pembelajaran di sekolah dasar. Program ini dilaksanakan di SDN Centre Malino, Kabupaten Gowa, dan diikuti oleh 15 guru dari berbagai jenjang kelas. Metode pelaksanaan menggunakan pendekatan bimbingan dan pelatihan yang mencakup kegiatan teoritis dan praktik langsung. Guru dibimbing mulai dari tahap identifikasi capaian pembelajaran, pemetaan potensi lingkungan lokal, hingga pembuatan dan penerapan alat peraga di kelas. Hasil kegiatan menunjukkan adanya peningkatan signifikan dalam keterampilan dan kreativitas guru setelah mengikuti pelatihan. Berdasarkan hasil pre-test dan post-test, rata-rata nilai peserta meningkat dari 60,6 menjadi 89,2, atau terjadi peningkatan sebesar 47,2%. Peningkatan terbesar terjadi pada aspek kreativitas dan inovasi (55,2%) serta keterampilan teknis (53,3%). Hasil ini sejalan dengan temuan penelitian terdahulu yang menunjukkan bahwa pelatihan berbasis praktik langsung mampu meningkatkan kompetensi pedagogik dan kreativitas guru. Kegiatan ini memberikan dampak positif terhadap kualitas pembelajaran, khususnya dalam menjadikan proses belajar lebih kontekstual, interaktif, dan berorientasi pada lingkungan. Selain itu, kegiatan ini juga menumbuhkan kesadaran ekologis guru untuk memanfaatkan sumber daya alam sekitar sebagai bagian dari upaya pelestarian lingkungan.Kata kunci: pelatihan guru, alat peraga sederhana, pembelajaran berbasis lingkungan
Co-Authors ., Renaldi A.A. Ketut Agung Cahyawan W Abbas, Shabbar Abd. Malik, Marwati Abd. Rahman Abdul Hakim Abdul Rachman Rasyid Abdul Rahman Abdul Rohman Abdullah, Nursanti Ade Muktiawan, Danang Adillah, Brian Affandi, Azhar Kholiq Afidh, Razief Perucha Fauzie Agus Dwi Saputra, Agus Dwi Agus Rahardi, Agus Agus Sukoco Agus Zainudin Agustina Ahmad, Khamsiah Ahsan, Ahmad Nur Akhmad Aminuddin Bama, Akhmad Aminuddin Akhsan , Hamdi Akhyar, Fikrul Al Farizi, Muhammad Refi Al Yazid, Naufal Sulthan Al-Ghifari, Muhammad Farhan Alamsyah, Aditya Alatise, Toyosi Albadi Sinulingga Aldio, Vega Ali Hassan Ali Mokhtar Ali, Mukti Alimuddin, Hardiyanti Alkautsar Rivandra, Muhammad Almodad Alle, Andri Amelia, Putri Amin Amin Aminudin, Wan Sofea Adlin Binti Wan Amir , Nani Hamdani Amir Pada, Amir Amir Syarifuddin Amir, Nour Ariyanti Amirudin Amirudin AmirUniversitas Negeri Makassar , Nour Ariyanti Amrah Amrah, Amrah Amrul Faruq Andi Aco Agus, Andi Aco Andi Nur Veryani, Andi Nur Andi Nurul Mukhlisah Andi, Melani Andreansyah, Resky Andriya, Dimas Angga Cipta Narsa Anggi Anggraeni, Lucy Anggriani, Lulu annisa rahman Anshorudin, Rizal Ansor, Ansor Anwar, Muhammad Andika Ara Hidayat, Ara Arafah, Siti Aras Syazili Ari AM, Muhammad As Ari Wibawa Budi Santosa Aria Gusti Arif Rahman Hakim Arif, Dery Fathurrahman Arifin, Mimi Arifuddin Akil Arip Amin Arisantoso Arisantoso Arisantoso Arismunandar Arismunandar Arnal-Palacian, Monica Arselan, Rifqi Astriana Astriana, Astriana Astuti Wijayanti, Astuti Astuti, Wiwik Wiji Aswadul Fitri Saiful Rahman Aswin Aswin Asyari, Hasan Ateza Sembiring, Vio Atmalia, Khafifah Puja Aulia, Riska Awaludin Awaludin, Awaludin Ayu Fitri Amalia, Ayu Fitri Az Zahro, Khodijah Azhar Adi Darmawan Azhary, Putri Asyar Azizah Rovilla, Keno Azmiy, Alifia Sabrina B., Lutfi Badawi, Satriani Baddolo, Mas’ud Bahar, Zulhaerana Bahari, Asniati Bahjah, Noor Bahrun Bahrun Bambang Yudi Ariadi Bangga Dirgantara Adiputra Basarun, Rosita Basri Basri Berimah, Azizah Putri Cahaya Cahyadi, Septyana Cahyani, Annisa Putri Cennawati, Cennawati Ceria, Yuni Chairunisak, Uum Helmina Dahlan, Galena Humairah Dameria Haloho, Ruth Dani Ramdani, Dani Dani, Muhammad Anwaruddin Dania, Shaquila Darwis, Arnianti Dede Mulyanto Denny Nugroho Sugianto Desriyeni, Desriyeni Devega, Army Trilidia Dewi, Novi A.K Dewi, Yashinta Kumala Dimas Asto Aji An’Amta Dinar Westri Andini, Dinar Westri Dinitri, Seruni Djatmiko, Wisnu Dodi Siregar Dwi Ningtyas, Weny Dwi Susanto Efendi Efendi Ekawati, Sri Aliah Elvia, Mairisa Elvira Luthan Emrinaldi Nur DP Enda Wista Sinuraya Endang Rini Sukamti Erdiansyah, Naufal Al-Fattah Erfan Dani Septia Erika Revida Erizal Erizal Erlin Erlin Erma Suryani Sahabuddin ERNA WIDIASTUTY Erni Erni Erry Koriyanti Essy Harnelly Eugenia, Janice Evi Hasnita Fadila, Nurul Fadilah Umar Fadilla, Dini Fadinna, Hani Fadli, Fahdi Fahriansyah Fahriansyah Faidah Yusuf Faisal Puly, Nurul Islamiah Pratiwi Fajar Putra Sopian Fanny, Septi Faozan, Mohammad Farah, Najwa Farahdinny Siswajanthy Farghana, Nur Muhammad Zulyan Farghana Farras, Rakha Andhika Fatra, Sintia Ifadatul Aulia Faudati, Mirva Fauzullail, Ahmad Rifki Faza Febrianty, Nur'Aulia Fembriarti Erry Prasmatiwi Ferbian Milas Siswanto Fiki Ferianto Findra, Muhammad Nur Firdaus, Bara Aji Firdayanti, Firdayanti Firliansyah Purba, Muhammad Firmandira, Florencia Jessica Firmansyah Firmansyah Fitri Yakub Fitria Sulistyowati Fitrianto, Ari Tri Flora Grace Putrianti Frinsyah Virgo Gentur Handoyo Gilang Purnama, Gilang Grace Simanjuntak, Grace Gunawan, Muh Albab Habib Shulton Asnawi Habib, Benish Habibie, Muhammad Habibullah, H. 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