Perilla, M. V., & Delen, M. D. (2011). Status, problems, and prospects of mango trading business in Batangas City. Ad Veritatem.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPerilla, Mario V., और Mylene D. Delen. "Status, Problems, and Prospects of Mango Trading Business in Batangas City." Ad Veritatem 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPerilla, Mario V., और Mylene D. Delen. "Status, Problems, and Prospects of Mango Trading Business in Batangas City." Ad Veritatem, 2011.
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