A profitability study of farming systems in Pangasinan and Camarines Sur. -- 1985. - Weesit, Ma. Regina D.
Thesis (A.B.)--University of the Philippines, Quezon City.
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Keywords: Agricultural systems -- Philippines -- Pangasinan; Agricultural systems -- Philippines -- Camarines Sur; Cropping system -- Philippines -- Pangasinan; Cropping system -- Philippines -- Camarines Sur