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M.L.A (9 ম সংস্করণ) উদ্ধৃতিsuhamdi, masfuroh, et al. ASSALAAM BOARDING SCHOOL COOPERATIVE MANAGEMENT (KOPPONTREN) IN PRODUCTIVE ECONOMIC DEVELOPMENT (Case Study at Koppontren Assalaam Pabelan Kartasura Sukoharjo). Universitas Muhammadiyah Surakarta, 2024.