na INLIS000000000003126 0010-0121001492 Socio-Economic Research for Agriculture with Reference to management Taco Bettema Sediono M.P. Tjondronegoro Bogor The CGPRT Centre 1996 xi, 105 p. ill ; 26 cm 979-8059-64-6 63 63 AGRICULTURE SOCIOECONOMIC DEVELOPMENT RESEARCH. 4365 4365