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All Journal Dinamika Pendidikan Kontinu: Jurnal Penelitian Didaktik Matematika Jurnal Pendidikan Ilmu Sosial Tech-E JURNAL PENDIDIKAN TAMBUSAI SAP (Susunan Artikel Pendidikan) Dedikasi: Jurnal Pengabdian Masyarakat Bada'a: Jurnal Ilmiah Pendidikan Dasar Rayah Al Islam : Jurnal Ilmu Islam SIGMA TEKNIKA Bubungan Tinggi: Jurnal Pengabdian Masyarakat Jurnal Psikologi Malahayati Tax Literacy and Leadership Agility: Indigenous Peoples Awareness in Paying Taxes Journal of Economics and Business UBS Devotion: Journal of Research and Community Service Mejuajua Journal of Informatics and Communication Technology (JICT) Jurnal Akuntansi AKUNESA Sejahtera: Jurnal Inspirasi Mengabdi Untuk Negeri JURNAL MUARA PENDIDIKAN Jurnal Desain dan Analisis Teknologi Journal of Pharmaceutical and Sciences. AMMA : Jurnal Pengabdian Masyarakat An Nafah: Jurnal Pengabdian Masyarakat Prosiding Seminar Nasional PPG Universitas Mulawarman Journal of Informatics and Communication Technology (JICT) Analisa: Jurnal Manajemen dan Akuntansi ILJ: Islamic Learning Journal Jurnal Accounting Unipa
Arif Rahman Hakim
Universitas Negeri Yogyakarta
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Identifikasi Kebangkrutan Perusahaan Menggunakan Algoritma Regresi Linear Berganda Haryadi, Deny; Rahman Hakim, Arif; Marini Umi Atmaja, Dewi; Basri, Amat; Adisty Nilasari, Risma
Tech-E Vol. 6 No. 2 (2023): TECH-E (Technology Electronic)
Publisher : Fakultas Sains dan Teknologi-Universitas Buddhi Dharma

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

Abstract

Corporate bankruptcy can hurt the company and affect the state of the economy. Therefore, many interested parties want to know the business situation related to the company. These parties include creditors, auditors, shareholders, and management itself who have an interest in knowing the state of the company in the context of bankruptcy. The past financial statements of a company can be used to predict future financial conditions using report analysis techniques. In the risk assessment process, expert knowledge is still seen as an important task, because expert predictions are subjective. This study aims to predict the bankruptcy of the company using influencing factors such as the level of research and development costs, the growth rate of total assets, and the current asset turnover rate. The method used in this research is the prediction method using the Linear Regression Algorithm. Based on the test results show that the variables or attributes used in this study have a significant effect, as evidenced by using a linear regression algorithm to be able to produce a Root Mean Squared Error value: 0.162 +/- 0.000.
Penetapan Kadar Asam Klorogenat dan Aktivitas Antioksidan Ekstrak NADES dari Biji Kopi Hijau Robusta (Coffea canephora) Menggunakan Metode MAE dan UAE sebagai Bahan Baku Kosmetik Alishlah, Tanfidz; Nuri, Nuri; Dianasari, Dewi; Rahman Hakim, Arif
Journal of Pharmaceutical and Sciences JPS Volume 8 Nomor 3 (2025)
Publisher : Fakultas Farmasi Universitas Tjut Nyak Dhien

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36490/journal-jps.com.v8i3.937

Abstract

Antioxidants are essential for protecting skin cells from free radicals, causing oxidative damage, and supporting human skin’s health. Natural antioxidants are abundant in plants, particularly in Robusta green coffee beans (Coffea canephora), which are rich in chlorogenic acid (CA), a key contributor to antioxidant properties. Efficient extraction methods are necessary to obtain these bioactives effectively. Advanced extraction technology, such as Ultrasound-Assisted Extraction (UAE) and Microwave-Assisted Extraction (MAE), enhances mass transfer and reduces processing time compared to conventional methods. This study quantified chlorogenic acid using Thin Layer Chromatography-Densitometry (TLC-densitometry) and evaluated the antioxidant activity using the DPPH method of NADES (betaine–triethylene glycol) liquid extracts from Robusta coffee green beans extracted via UAE and MAE. Chlorogenic acid concentration of MAE (3.64 mg CA/g extract ± 0.06) was higher than that of UAE (2.69 mg CA/g extract ± 0.04). The antioxidant activity (IC₅₀) values were 3266.66 μg/mL ± 67.97 (UAE) and 2598.05 μg/mL ± 29.42 (MAE), indicating higher efficiency for MAE. When expressed as chlorogenic acid equivalents in NADES extracts, IC₅₀ values were 9.04 μg/mL ± 0.13 (UAE) and 9.44 μg/mL ± 0.07 (MAE). NADES-MAE could be a promising method to acquire raw materials with high antioxidant activity, especially for cosmetic formulation.
Implementasi Pembelajaran Al-Qur’an Melalui Metode Ummi Rahman Hakim, Arif; Indana, Nurul; Adi Wijono, Hani; Khoirudin Sovwan, Akhmad
ILJ: Islamic Learning Journal Vol. 3 No. 2 (2025): April
Publisher : Program Studi Pendidikan Agama Islam STIT al Urwatul Wutsqo Bulurejo Jombang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54437/iljjislamiclearningjournal.v3i2.2165

Abstract

This article aims to find out the implementation of learning the Qur'an through the Ummi method at MI Wahid Hasyim Krembangan Gudo Jombang. The research method used in this study is a qualitative research method with a qualitative descriptive research design. Data collection techniques using interviews, observation, and documentation techniques. Furthermore, data analysis was carried out using descriptive analysis methods. The results of this study concluded that: 1. Implementation of Al-Qur'an learning through the Ummi method, namely: (a) Planning in the form of making lesson plans and syllabuses and all teachers must have certification (b) implementation in the form of: Ummi method handbook Stages in learning Learning techniques and learning time Supporting factors, obstacles and solutions in the implementation of Qur'anic learning through the Ummi method consist of: Supporting factors in the implementation of learning the Qur'an through the Ummi method consist of teacher factors, factors of interest and motivation of students, parental factors, the existence of coordinators, facilities and markets. The inhibiting factors in the implementation of learning the Qur'an through the Ummi method consist of, Lack of attention from parents, crowded children's conditions.
The Effect of Technology-Based PBL Learning on Junior High School Students' Mathematical Representation Ability in Data Centralisation Material Nargis, Desi Nargis; Muslim, Muslim; Syarifudin, Syarifudin; Hidayad, Arif; Rahman Hakim, Arif
JURNAL PENDIDIKAN MATEMATIKA Vol. 9, No. 2: November 2025
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/kontinu.9.2.234-253

Abstract

Abstract: The low level of students' mathematical representation ability became the background of this study. The research aimed to analyse the effect of implementing the Problem-Based Learning (PBL) model assisted by interactive PowerPoint media and Microsoft Excel on students' mathematical representation ability. The research method used was a quasi-experiment with a pretest-posttest control group design. The sample consisted of 40 eighth-grade students divided into an experimental group and a control group. The research instrument was a mathematical representation ability test that had been validated and proven reliable. Data were analysed using a t-test and N-Gain calculation. The results showed that the N-Gain score in the experimental class reached 0.82 (high category), while in the control class it was only 0.22 (low category). The difference was statistically significant (t = 20.316; p < 0.000). Thus, it can be concluded that integrating PowerPoint and Excel into the PBL model is effective in improving students' mathematical representation ability, particularly in presenting data in the form of graphs and tables. This research implies that a PBL model supported by digital media can serve as an innovative alternative for mathematics learning. Keywords: Problem Based Learning (PBL); Microsoft Excel; Mathematical Representation; Data Centralization; Quasi-Experiment
Middle Class Community Religious Moderation in Buntet Village, Astanajapura District, Cirebon Regency Rahman Hakim, Arif
Devotion : Journal of Research and Community Service Vol. 2 No. 1 (2020): Devotion: Journal of Research and Community Service
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/dev.v2i1.67

Abstract

This study focuses on religious moderation and the religious views of the middle class community in Buntet Village, Astanajapura District, Cirebon Regency. The purpose of this research is to find out how the community's religious condition and how religious views are, as well as their relation to nationality. The methodology used in this study used a qualitative descriptive analysis using in-depth interview techniques, document review, observation, and holding focus group discussions. The results found in this study indicate that religious moderation for the Muslim middle class in Buntet Village, Astanajapura District, Cirebon Regency is quite good. In this village, there are no members of the community who are anti-NKRI, anti-Pancasila, and anti-UUD 1945. As well as the diversity of the Muslim community in the Buntet area is classified as moderate, because of their religious understanding as developed by NU and Muhammadiyah
LOYALITAS KERJA KARYAWAN KSU ARTHA MAKMUR BERSAMA MUNCAR - BANYUWANGI Dwi Utami, Erwinda; Pristiwantiyasih, Pristiwantiyasih; Rahman Hakim, Arif
ANALISA : JURNAL MANAJEMEN DAN AKUNTANSI Vol 11 No 1 (2023): Mei 2022
Publisher : Fakultas Ekonomi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62734/analisa.v11i1.106

Abstract

Penelitian ini bertujuan untuk melihat loyalitas kerja karyawan KSU Artha Makmur Bersama. Hasil Penelitian menujukkan bahwa Hasil uji t untuk kompensasi (X1), yaitu hasilluji statistik diperoleh t hitung < t tabel (0,711 < 2,01410) yang menunjukkan bahwa H0 dapat diterima. Maka dari hasil uji t tersebut memiliki kesimpulan bahwa kompensasi (X1) secara parsial tidak memiliki pengaruh terhadap loyalitas kerja karyawan (Y). Hasil ujiltyuntukyvariabelykepuasanykerjay(X2), yaitu uji statistik diperoleh t hitung = 2,837 dan t tabel = 2,01410 yang menunjukkan bahwa H0 ditolak. Maka dari itu hasil uji t tersebut memiliki kesimpulan bahwa secarayparsial kepuasan kerjay(X2) berpengaruh terhadapyloyalitas kerja karyawany(Y). Ujiyt untuk beban kerja (X3), yaitu hasil uji statistik diperoleh t hitung > t tabel (5,129 > 2,01410) yang menunjukkan bahwa H0 ditolak. Maka dari itu hasil uji t tersebut memiliki kesimpulan bahwa secara parsiallbebanlkerjal(X3)lberpengaruh secara positif dan siginikanlterhadaplloyalitaslkerjalkaryawanl(Y).
Pengaruh Model Discovery Learning Berbantuan Media Video Animasi terhadap Keterampilan menulis Puisi Siswa Kelas VIII MTsN 4 Padang Pariaman Rahman Hakim, Arif
Jurnal Pendidikan Tambusai Vol. 8 No. 3 (2024)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Penelitian ini bertujuan untuk mendeskripsikan keterampilan menulis teks puisi siswa kelas VIII MTsN 4 Padang Pariaman dengan menggunakan model discovery learning berbantuan media video animasi dan model pembelajaran konvensional, serta mengukur pengaruh model discovery learning terhadap keterampilan menulis tersebut. Penelitian ini bersifat kuantitatif dengan desain quasi eksperimen, melibatkan 141 siswa sebagai populasi dan menggunakan tes keterampilan menulis sebagai instrumen. Data dianalisis menggunakan rumus persentase, rata-rata hitung, uji persyaratan analisis data, dan uji-t. Hasil penelitian dapat diketahui bahwa kemampuan menulis teks puisi dengan menggunakan model discovery learning berbantuan media gambar memperoleh nilai rata-rata 76,46 dengan kualifikasi Baik (B), sedangkan kelompok siswa kelas kontrol menggunakan metode konvensional berada pada kualifikasi Cukup (C) dengan nilai rata-rata 64,54. Dari hasil penelitian ini dapat diketahui bahwa hipotesis terbukti, melalui uji hipoteis uji-t diperoleh thitung > ttabel (1,314>1,298). menunjukkan bahwa model discovery learning berbantuan media video animasi memberikan pengaruh signifikan terhadap peningkatan keterampilan menulis siswa dibandingkan model konvensional.
Implementation of Random Forest Algorithm on Palm Oil Price Data Rahman Hakim, Arif; Atmaja, Dewi Marini Umi; Basri, Amat; Syafii, Muhamad
Tech-E Vol. 6 No. 2 (2023): TECH-E (Technology Electronic)
Publisher : Fakultas Sains dan Teknologi-Universitas Buddhi Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31253/te.v6i2.1757

Abstract

One of the potential commodities that are widely cultivated in Indonesia is palm oil, and palm oil or commonly referred to as palm oil is one of the processed products of palm oil which generates the most important foreign exchange for Indonesia. Data mining is a process that utilizes mathematical techniques, statistics, artificial intelligence, and machine learning techniques to extract and identify useful information and related knowledge from large databases [3], including palm oil price data. Random Forest is one of the methods in the decision tree. A decision tree is a flowchart shaped like a tree with a root node that is used to collect data that is used to solve problems and make decisions. In this study, a random forest algorithm was used to classify palm oil price data from 2014 to 2019. The classification method used the random forest algorithm on palm oil data using the Mtry parameter of 1 and the Ntree parameter of 500 resulting in an accuracy percentage of 100%. The most influential variable (importance variable) in the classification model using the resulting random forest algorithm is the palm oil variable.
Pembekalan Moderasi Beragama Generasi Muda Di BLKK Ponpes Qur’any Bulurejo Jombang Mustofa, Ali; Indana, Nurul; Rahman Hakim, Arif
An Naf'ah: Jurnal Pengabdian Masyarakat Vol. 2 No. 1 (2024): Februari
Publisher : Lembaga Penelitian, Penerbitan dan pengabdian kepada masyarakat (LP3M) STIT Al-Urwatul Wutsqo Jombang.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54437/annafah.v2i1.1373

Abstract

The purpose of this community service activity is to equip young people who take part in training at BLKK Qur'any with additional content, namely religious moderation. This community service uses the Participatory Action Research approach or commonly abbreviated as PAR. The stages of implementing the service, namely preparation, implementation, and evaluation. The results of the service showed that a more comprehensive understanding was obtained in BLKK students about religious moderation provided through lectures, and learning media. The results of training and debriefing on religious moderation are generally quite significant and show a positive relationship, but more towards a humanist attitude. However, it is this humanist attitude that can lead them to be tolerant and moderate. With the attitude of religious tolerance religious tolerance in children, it will prepare children as the next generation of the nation to have an attitude of mutual respect, respect for differences, and live the freedom of rights in choosing each other's beliefs. choose each other's beliefs.
Kemampuan Literasi Dan Numerasi Peserta Didik Dengan Menggunakan Media Yotube Pada Materi Pencemaran Lingkungan Rahman Hakim, Arif; Tindangen, Makrina; Rosifah, Djumroh
Prosiding Seminar Nasional PPG Universitas Mulawarman Vol. 4 (2023): Media Digitalisasi Sebagai Kebutuhan Primer Dalam Pembelajaran Kenormalan Baru
Publisher : Program Studi Pendidikan Profesi Guru, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/semnasppg.v4.3056

Abstract

Penelitian ini bertujuan untuk mendeskripsikan secara umum meningkatkan kemampuan literasi dan numerasi peserta didik dengan media pembelajaran digital youtube. Jenis Penelitian ini yaitu penelitian tindakan kelas. Sampel penelitian ini adalah peserta didik kelas X-I Farmasi SMK Gerbang raja Tenggarong yang berjumlah 23 peserta didik. Pengumpulan data menggunakan hasil analisis data evaluasi berupa asesmen formatif post test dari siklus 1 dan siklus 2. Berdasarkan hasil analisis data evaluasi PPL siklus 1 bahwa 86% peserta didik mencapai KKTP sedangkan pada hasil analisis evaluasi siklus 2 sebanyak 95% peserta didik yang sudah mencapai KKTP hal ini menunjukkan kemampuan literasi dan numerasi peserta didik mengalami peningkatan dengan menggunakan media pembelajaran digital youtube.
Co-Authors Adi Wijono, Hani Adisty Nilasari, Risma Ahmad Budiyono, Ahmad Akbar, Azis AKHMAD Akramunnas, Bastul Wajhi Ali Mustofa Amin, M. Syahruddin Anam, M Syaeful Ani Widayati Anita Anggraini Anshorudin, Rizal Ara Hidayat, Ara Ardyansah, Agung Mifta Arif Hidayad Atmaja, Dewi Marini Umi Austin, Trecy Basri, Amat Chintia Hestiriniah, Deby Deny Haryadi Dianasari, Dewi Dinda Oktarina, Dinda Donna Boedi Maritasari Dwi Safitri, Dwi Dwi Utami, Erwinda Dyah Ayu Heni Lestari, Febyana Eka Ary Wibawa Eni Kamal Eri Barlian Fadillah, Dini Fardin Hasibuan Haditsa Qur'ani Nurhakim Hasra Heldi Heldi, Heldi Hidayatulloh, Arif Hopipatussolihah, Hopipatussolihah Imron Ali Mahmudi, Mukh. Indana, Nurul Indang Dewata Inne Miftah Dewi Iswahyudi, M. Jonathan Gunawan Khodiriyah, Putri Khoirudin Sovwan, Akhmad Kusuma Wardani, Sabila Makrina Tindangen Marini Umi Atmaja, Dewi Merinda Noorma Novida Siregar‬ Meuraksa, Irawati Muhammad Irfan Muhammad Yahya Muhdi Muslim Muslim Nargis, Desi Nargis Nurhasanah Nuri Nuri Nurlaeli Rachmawati Koerniawan, Rina Nurul Qomaria, Elysa Pangestu, Aldi Pitriyani, Agustina Prasada, Dodi Pratama, Diki Pristiwantiyasih, Pristiwantiyasih Putrie Dimala, Cempaka Rahmat Darmawan Rimbawan Oprasto, Raditya Rizqi Ilyasa Aghni Rohili, Ilyas Rosifah, Djumroh Ruswandi, Irwan Sandi Perdani, Agung Sari Narulita Sena, Boni Setialana, Pradana Shamudra, Febby Sihombing, Citra Siregar, Linda Mora Subari Supendi, Pepen Susilowati , Eni Sutinah Sutinah Syafii, Muhamad Syarifudin Syarifudin Tanfidz Alishlah, Tanfidz Umar, Iswandi Widagdo, Trijaya Yakub Yolandaru Septiana, Yolandaru Zuldani, Irwan