Calling, G. C. (1991). How to plan development of municipalities and barangays. Rex Book Store.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCalling, Gemiliano C. How to Plan Development of Municipalities and Barangays. Manila: Rex Book Store, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCalling, Gemiliano C. How to Plan Development of Municipalities and Barangays. Rex Book Store, 1991.
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