00578     2200193   4500001002100000005001500021035002000036245012400056110005600180300003200236700001800268260001900286082001000305084001600315650001100331650001500342650001800357990000900375INLIS00000000000047720210819100541  a0010-08210000911 aKelompok Kolaborasi :bLembaga Bersama Menuju Kemandirian Petani /cBalai Pengkajian Teknologi Pertanian Sumatera Utara0 aBalai Pengkajian Teknologi Pertanian Sumatera Utara  aviii,57 hlm :bilus.; 21 cm0 aMoehar Daniel  aKisaran,c2007  a307.2  a307.2 BAL k 4aPetani 4aKolaborasi 4aSumatra Utara  a5814