na INLIS000000000000795 0010-0124000481 Prosiding Seminar Pengembangan Sistem Usahatani Terpadu di Kawasan Lahan Beririgasi, Purwokerto, 22 Nopember 2000 Pusat Penelitian Sosial Ekonomi Pertanian penyunting Rachman Djamal [et al.] Bogor Pusat Penelitian Sosial Ekonomi Pertanian 2001 vi, 86 p. (+Lamp.) : ills. ; 29 cm. 979-9007-23-2 631 SEM p AGRICULTURE FARMING SYSTEMS IRRIGATED LAND SEMINAR. 023/2001