Implication of Opium Replacement Crops to Agro Socioo Economic Life off Hilltribe Small Farmer in Ban

Pa Loh, Ban San, Pa-Kiaa Chiangdao, Hikaru Tsutsui, Prayong Sj\iprasert
1994 Mem. Fac. Agr. Kinki Univ   unpublished
fatcat:j32y4sj7bzdifihtelmyapxyeq