na INLIS000000000003852 0010-0221000120 Konsep Usahatani Kooperatif (Cooperative Farming) Heru Sutikno Banjarbaru Balit Tan Lahan Rawa 2005 V, 18p; ill; 21 cm 979-8253-55-8 631.1 631.1 COOPERATIVE FARMING. 5296 5296