na INLIS000000000006116 20220823085529 0010-0121000013 ta 220823 0 eng 631.4-167 631.4-167 INT w INTERNATIONAL RICE RESEARCH INSTITUTE Wetland Soil : Characterlization, Classification, and Utilazation Philippines : IRRI, 1985 559p. : ilus ; 16 X 23 UK/UPT BPTP Jatim soil character classification 00000000708