Manto, J. (1978). Sweet potato socio-economic and marketing study: Part VI. Special Studies Division, Dept. of Agriculture.
Chicago Style (17th ed.) CitationManto, J.M. Sweet Potato Socio-economic and Marketing Study: Part VI. Quezon City: Special Studies Division, Dept. of Agriculture, 1978.
ציטוט MLAManto, J.M. Sweet Potato Socio-economic and Marketing Study: Part VI. Special Studies Division, Dept. of Agriculture, 1978.
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