Book

Agricultural employment creation and the improvement quality of agricultural commodities for increasing income and export earnings (Northern region)

by Mahāwitthayālai Chīang Mai, Čhulālongkō̜nmahāwitthayālai. Sathāban Wičhai Sangkhom, Thailand. Samnakngān Khana Kammakān Phatthanākān Sētthakit læ Sangkhom hǣng Chāt