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All Journal SPEKTRUM: Jurnal Pendidikan Luar Sekolah (PLS) Jurnal Pendidikan dan Pemberdayaan Masyarakat Journal of Nonformal Education Empowerment DIKLUS: Jurnal Pendidikan Luar Sekolah Learning Community : Jurnal Pendidikan Luar Sekolah ABDIMAS SILIWANGI Comm-Edu (Community Education Journal) Visualita : Jurnal Online Desain Komunikasi Visual Jendela PLS: Jurnal Cendekiawan Ilmiah Pendidikan Luar Sekolah Indonesian Journal of Adult and Community Education (IJACE) Journal of Education Sciences: Fondation & Application Riwayat: Educational Journal of History and Humanities Moneta : Journal of Economics and Finance ECJ: Early Childhood Journal
Muhammad Irfan Hilmi
Program Studi Pendidikan Luar Sekolah Universitas Jember
Arts Humanities Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Neuroscience Public Health Social Sciences Other

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The Efficiency of Water Tube Boiler Performance Using Direct Method on the Utility Unit Mulyani*, Yully; Dhamayanthie, Indah; Hilmi, Muhammad Irfan
Riwayat: Educational Journal of History and Humanities Vol 6, No 4 (2023): Educational, Historical Studies and Humanities
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jr.v6i4.36824

Abstract

Boiler efficiency is a quantity that shows the relationship between the incoming energy supply into the boiler and the output energy produced by the boiler. The goal is to calculate the performance efficiency of the water tube boiler. Factors that affect the decrease in the efficiency of water tube boilers, namely the production of steam produced, the amount of fuel used, excess water, burner, flue gas temperature, fouling, blowdown, boiler feed water temperature, and the effect of fuel. Based on data and analysis of the direct method, the highest efficiency of the water tube boiler, namely on July 26, 2022, was 90.77%, producing 80,000 kg/hour of steam, while the lowest efficiency of the water tube boiler, namely on July 23, 2022, was 46.03%, due to the use fuel is very high, which is around 4011 kg/hour and only produces steam as much as 55000 kg/hour.
The Effect of Macroeconomic, Microeconomic, and Systematic Risk on Firm Value in the Jakarta Islamic Index 30 (JII30) Hilmi, Muhammad Irfan; Desmiza
Moneta : Journal of Economics and Finance Vol. 3 No. 3 (2025): July 2025
Publisher : Indonesian Scientific Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61978/moneta.v3i3.724

Abstract

This research examines the influence of macroeconomic, microeconomic, and systematic risk factors on firm value inside the Jakarta Islamic Index 30 (JII30) from 2019 to 2023. The imperative is to comprehend investor perception in Sharia-compliant capital markets, where investment choices are influenced by ethical standards and a long-term perspective. This study analyzes inflation and interest rates (macroeconomic factors), ROE and TATO (microeconomic indicators), and beta (systematic risk), chosen for their significance in indicating corporate performance and investor appeal. The population comprises 52 companies listed in the JII30 during 2019–2023. Using purposive sampling, 21 firms were selected, producing 105 observations. Data were analyzed through panel data regression with the Random Effect Model (REM), determined by the Chow, Hausman, and Lagrange Multiplier tests. Results show that all variables simultaneously have a significant effect on firm value, while only ROE and TATO individually have a significant positive influence. Inflation, interest rates, and beta are insignificant. These findings indicate that Sharia investors focus more on internal performance, such as profitability and asset efficiency, rather than reacting to short-term macroeconomic changes. Practically, management should prioritize strategies that enhance efficiency and profitability, while regulators can encourage transparent disclosure of internal performance indicators to sustain investor trust and support long-term market stability.
Perancangan Media Pembelajaran Interaktif Pengenalan Isyarat Huruf Hijaiyah untuk Siswa Disabilitas Rungu SLBN Sukapura Bandung Hamidah, Azmi Fauziah; Hilmi, Muhammad Irfan; Prasetyani, Ananda; Mutiaz, Intan Rizky
Visualita Jurnal Online Desain Komunikasi Visual Vol 14 No 1 (2025): Oktober 2025
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/visualita.v14i1.16388

Abstract

This study aims to design an interactive learning medium as a tool for introducing sign-based Hijaiyah letters to students with hearing disabilities at SLB Negeri Sukapura. Hearing-impaired students often face challenges in understanding orally and auditorily delivered material. Therefore, there is a need for more inclusive and visually oriented media. The development of this learning medium employs the Multimedia Development Life Cycle (MDLC) method, which consists of six stages: concept, design, material collecting, assembly, testing, and distribution. Data obtained from this study—based on content, programming, and visual aspects—shows that the seven participating students gave an average score of 91%, categorized as “Excellent.” The classroom teacher’s evaluation also resulted in a 92% score, likewise categorized as “Excellent.” Based on these results, the learning medium is deemed suitable for use.
Co-Authors Aisyah Nur Atika Aliya Afrianti, Safira Amaliyah, Khofifah Indah Andriyani, Maulita Ardiwinata, Jajat Sudrajat Ayuningtyas, Lilik Azizah, Pina Azizah, Yayang Desmiza Dhamayanthie, Indah Dina, Adilla Mey Dwi Azza Abidah, Minda Ema Rosita Erma Kusumawardani Faridatul Nur Ilmiah, Citra Faulina, Ririn Frimha Purnamawati Fuad Hasan Hamidah, Azmi Fauziah Handayani, Silvia Mariah Hendrawijaya, A.T Hendrayani, Ragil Nurin Intan Rizky Mutiaz Ira Rahmawati Irliana Faiqotul Himmah Ishlah, Nisydatul khusnul khotimah Linda Fajarwati Lusi Dwi Susanti Lutfi Ariefianto Mulyani*, Yully Mustofa Kamil, Mustofa Mutiara Mahar Dwinandia Najwa Hamid, Saffana Nani Sintiawati Ningati, Puji Dewi Mustika Niswatul Imsiyah Novita Wulandari Prasetyani, Ananda Rahman, Mustaain Arif Rakadewa, Elang Sajidah Irsyadilah, Nasla Setyaningsih, Sri Wahyu Sholihah, Amalia Putri Sutati, Ajeng Dwi Gayuh Sylva Alkornia Tamaulina Br Sembiring Titi Imaniar Tyan, M. Mas’addien Dwi Verani, Ulva