Management of the Boarding School Cooperative Business Unit (Kopontren) in Supporting The Operational Funding of Students’ Education and Infrastructure. cakrawala [Internet]. 7 Juni 2026 [dikutip 9 Juni 2026];10(1):117-31. Tersedia pada: https://ejournal.iainu-kebumen.ac.id/index.php/cka/article/view/3790