Cost and returns of sweet potato in selected provinces Philippines, 1983 - Abaya, Aurelia P.; Asuncion, Tirso B., joint auth. (Quezon City Bureau of Agricultural Economics, 1985)
Keywords: Sweet potatoes -- Economic aspects -- Philippines -- Ilocos Region; Sweet potatoes -- Economic aspects -- Philippines -- Bicol Region; Sweet potatoes -- Economic aspects -- Philippines -- Eastern Samar; Sweet potatoes -- Philippines