na INLIS000000000004280 0010-0321000364 Lowland rice soils in Thailand Keizaburo Kawaguchi Kyoto The Center for Southeast Asian Studies, Kyoto University 1969 xiv, 270 p. : ills. ; 26 cm. 633 633 PADI SAWAH - LAHAN - THAILAND LAHAN THAILAND. 1435 1435