AKPAN, S. B. (2019). OIL PALM FRUIT SUPPLY FUNCTION IN NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.
Čikaški stil citiranja (17. izdanje)AKPAN, S. B. OIL PALM FRUIT SUPPLY FUNCTION IN NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2019.
MLA način citiranja (9. izdanje)AKPAN, S. B. OIL PALM FRUIT SUPPLY FUNCTION IN NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2019.
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