AKPAN, S. B. (2019). OIL PALM FRUIT SUPPLY FUNCTION IN NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAKPAN, S. B. OIL PALM FRUIT SUPPLY FUNCTION IN NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAKPAN, S. B. OIL PALM FRUIT SUPPLY FUNCTION IN NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2019.
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