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Technical efficiency of cocoa farms at varying elevation levels in Davao City, Philippines: implications to sustainable upland farming systems
Francis Levi A.DURANO, Jon Marx SARMIENTO, Larry N.DIGAL, Pedro A.ALVIOLA IV
Technical efficiency of cocoa farms at varying elevation levels in Davao City, Philippines: implications to sustainable upland farming systems
Francis Levi A.DURANO, Jon Marx SARMIENTO, Larry N.DIGAL, Pedro A.ALVIOLA IV
山地科学学报（英文版） . 2024, (01): 33 -48 .