00594     2200181   4500001002100000005001500021008004100036020001000077035001900087041000700106082001000113090001600123100004100139245006400180260005900244300002400303650008500327INLIS00000000001844420210426130420210426|||||||||   |   |||   |||| ||   |   a/3219  0010-0421018444  aid0 a631 1  a631 1 DIN a0 aDINAS PERTANIAN RAKYAT PROPINSI RIAU00aAnalisa potensi usahatani kabupaten bangkalis propinsi Riau  apekan barubDinas pertanian rakyat propinsi riauc1974  a146p.: ills.; 30 cm 0apertanian -- usahatani -- analisa usaha -- I. Judul -- Ekonomi pertanian -- Riau