Poingan, G. B. (1981). Concept of leadership in Islamic administration. University Research Center, Mindanao State University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPoingan, Guimba B. Concept of Leadership in Islamic Administration. Marawi City: University Research Center, Mindanao State University, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPoingan, Guimba B. Concept of Leadership in Islamic Administration. University Research Center, Mindanao State University, 1981.
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