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Mohammad 'Ulyan, Fauzi, Rofiq N. Prison Islamic Boarding School: Efforts to Instill Morals in Prisoners in Correctional Institutions . JPI [Internet]. 2022 Jan. 29 [cited 2026 Jan. 14];33(1):83-98. Available from: https://ejournal.uit-lirboyo.ac.id/index.php/tribakti/article/view/1791