Barnido, R. D. Statistical analysis of the price and production of copra in Zamboanga del Sur.
Lua i Stíl Chicago (17ú heag.)Barnido, Rodrigo D. Statistical Analysis of the Price and Production of Copra in Zamboanga Del Sur.
Lua MLA (9ú heag.)Barnido, Rodrigo D. Statistical Analysis of the Price and Production of Copra in Zamboanga Del Sur.
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