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All Journal Square : Journal of Mathematics and Mathematics Education TAJDID Jurnal Ilmu Ushuluddin
Syamsul Arifin
UIN K.H. Abdurrahman Wahid Pekalongan
Education Mathematics

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Optimizing Industrial Policy: Predicting Population Growth in Kediri Regency Using Mathematical Equations Agus Miftakus Surur; Dinda Fatikhatut Diana; Farisa Aina Fahma; Eva Alvi Nur Laili; Atika Anggraini; Syamsul Arifin; Ector Geovanny Pupiales Chuquin
Square : Journal of Mathematics and Mathematics Education Vol. 7 No. 1 (2025)
Publisher : UIN Walisongo Semarang

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The purpose of this study is to predict the population of Kediri Regency in the year 2030. Kediri Regency was selected because the region hosts an industry with national and international scale. The research method employed in this study is a literature-based approach utilizing population data obtained from the official website of the Government of Kediri Regency. The modeling approach applied is based on differential equations, specifically the Bernoulli growth model. The result of this study shows that the predicted population of Kediri Regency in 2030 is 1,590,753 people. When compared to the population in 2020, this result indicates a decrease of 44,541 people. Nevertheless, the predicted population remains relatively high, so when linked to government policy, several adjustments are required, similar to those implemented during the period from 2010 to 2020. The results of this study are important for the regency government as a basis for formulating policies, particularly in the industrial sector. Regions that develop as industrial areas require data-based planning, so the results of mathematical equation calculations can be used as objective references. Through appropriate policies, it is expected that local communities, especially local residents, can work and build their careers within their own region. Thus, the potential of local human resources can be maintained and utilized optimally. In addition, this study can also be applied by researchers or local governments in other regions to predict population size and adjust policies according to the conditions of their communities.
PENCIPTAAN LANGIT DAN BUMI DALAM Q.S. AL-ANBIYĀ’ [21] Ayat 30: Studi Ma’nā Cum Maghzā Muhammad Iqbal Rahman; Syamsul Arifin; Tamsir Tamsir; Darmadi Darmadi; Hubul Hoir
TAJDID: Jurnal Ilmu Ushuluddin Vol. 23 No. 2 (2024): Ushuluddin and Religious Studies
Publisher : Faculty of Ushuluddin and Religious Studies UIN Sulthan Thaha Saifuddin Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/tjd.v23i2.505

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This article will discuss comprehensively the creation of heaven and earth in Q.S. Al-Anbiyā' [21]: 30. This theme was raised because the surah describes the origins of the heavens and the earth. Interestingly, scientifically, human theories about the origin of the universe (including heaven and earth) emerged in the modern era through Nebula (1755), Big Bang (1927), Steady State Theory (1948), and others. Long before these theories emerged, the Al-Qur'ān through surah Al-Anbiyā': 30 said that heaven and earth were originally a unified form before being separated into heaven and earth. Therefore, this article will focus on the meaning of history, the main message of history, and the main dynamic message of Q.S. Al-Anbiyā' [21]: 30, and elaborates on the creation of heaven and earth based on scientific interpretation and approach. The method used in this paper is descriptive analysis. The approach used is contextual, where Ma'nā cum Maghzā is the theory. The results of this paper found that: (1) the historical meaning of surah Al-Anbiyā': 30 is a satire on unbelievers who do not want to believe even though they witness natural phenomena around them; (2) the main historical message is the importance of thinking about the creation of the heavens and the earth and being grateful for all the blessings that–originating from the air–God has given; (3) anyone who claims to believe in God should study not only religious knowledge but also study scientific knowledge. People who have the potential to make human life better, but do not do so, are considered infidels, that is, closing themselves off from the interests of living creatures.
Co-Authors Agus Miftakus Surur Atika Anggraini Darmadi Darmadi Dinda Fatikhatut Diana Ector Geovanny Pupiales Chuquin Eva Alvi Nur Laili Farisa Aina Fahma Rahman, Muhammad Iqbal Tamsir Tamsir