TY - BOOK AU - Van Der Heide, J. Homan TI - General report on irrigation and drainage in the lower menam valley KW - Irrigation; Drainage N1 - This boos collected the pssiibility of irrigation and drainage, utility of irrigation and drainage, urgency of improvement, outlines of the principal scheme, scheme of executing works, management, upkeep and revenue,and organization of the service UR - https://archives-library.rid.go.th/handle/123456789/235 ER -