na INLIS000000000002671 0010-0121001037 Survey agro sosio ekonomi DI Randu Gunting PT Vinama Karya Semarang PT Agritek Consult 1987 iv, 31 p. : ill ; 30 cm 338.92 338.92 SURVEY AGRO EKONOMI RANDU GINRING. 3792 3792