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एमएलए (9वां संस्करण) प्रशस्ति पत्रsuhamdi, 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.