Hasibuan, S. A. (2025) “The Role of the ‘Budi Luhur’ Sharia Civil Servant Producer Cooperative (KPS-PN) of the Ministry of Religious Affairs Office of South Tapanuli Regency in Economic Development”, JURNAL ILMIAH GEMA PERENCANA, 4(1), pp. 541–570. doi: 10.61860/jigp.v4i1.215.