IJQRM is an official journal of the Research Collaboration Community (RCC) and publishes original research papers which cover the theory, practice, history or methodology of Quatitative Research and Modeling (QRM). IJQRM will act as a platform to encourage further research in Quantitative Research (QR) and Mathematical Modeling (MM) theory and applications. Globalization of market and operations places a tremendous pressure in making timely and accurate decisions using the analysis of data and more accurate information.
The Research Collaboration Community (RCC) was established for an indefinite period of time and was started on 25-05-2019. Recognizing that Quantitative Research (QR) and Mathematical Modeling (MM)are not only an independent science but also a major supporter of various sciences, Research Collaboration Community (RCC) specialists and users and enthusiasts of Quatitative Research (QR) and Mathematical Moodeling (MM) are obliged to: Foster and develop quantitative research; Fostering and developing quatitative research education; & Increasing the role of quantitatively research both directly and as a support of other sciences in order to participate in increasing human resources for the success of nation and state development based on Pancasila and the 1945 Constitution.
In support of the above mentioned purpose RCC in 2020 began publishing the International Journal of Quantitative Research and Moadeling (IJQRM), as a periodic media and other means of communication to channel works and news in the field of operations research as information and knowledge for members and the general public.
Published By:
Research Collaboration Community (RCC)
Jalan Riung Ampuh No. 3, Riung Bandung, Kota Bandung 40295, Jawa Barat, Indonesia

Vol 6, No 2 (2025)
Table of Contents
Articles
Atha Hukama, Kankan Parmikanti, Riaman Riaman
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150-161
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Linda Damayanti Putri, Riaman Riaman, Sukono Sukono
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162-170
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Angellyca Leoni Manuela, Reivani Putri Berlinda Harahap, Tina Yoefitri, Nicko Meizani, Rizki Apriva Hidayana
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171-175
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Ayyinah Nur Bayyinah, Riaman Riaman, Sukono Sukono
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176-183
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Asthie Zaskia Maharani, Dwi Susanti, Riaman Riaman
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184-195
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Indah Mauludina Hasanah, Lukman Widoyo Mulyo, Muhammad Fardeen Khan, Rizki Apriva Hidayana
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196-199
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Nayra Pavita Rahmadhisa, Dwi Susanti, Betty Subartini
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200-207
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Sri Novi Elizabeth Sianturi, Betty Subartini, Sukono Sukono
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208-217
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Renda Sandi Saputra, Moch Panji Agung Saputra
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218-226
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Popy Febrianty, Herlina Napitupulu, Sukono Sukono
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227-238
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Lutfi Praditia Ma’mur, Riaman Riaman, Sukono Sukono
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239-247
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Salwa Cendikia Millantika
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248-254
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Nadia Putri Riadi, Riaman Riaman, Sukono Sukono
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255-263
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Himda Anataya Nurdyah, Betty Subartini, Sukono Sukono
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264-274
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Portfolio Performance Analysis with Jensen's Alpha Using Single Index Model and CAPM on IDX30 Stocks
Alim Jaizul Wahid, Jumadil Saputra
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274-283
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