na INLIS000000000003514 ind 0010-0121001880 Prosiding Seminar : Hasil Penelitian dan Pengkajian Sistem Usahatani Jawa Timur Balai Pengkajian Teknologi Pertanian Karangploso Malang BPTP Karangploso 1998 553 p.; ill; 25 cm 979-95548-1-0 63.001.5 63.001.5 FARMING SYSTEMS ADAPTATION INNOVATION ADOPTION EAST JAVA. 4764 4764