na INLIS000000000002321 ind 0010-1123000006 Seminar Nasional Sumberdaya Lahan Pertanian D. Subardja S [et.al] Bogor : Balai Besar Penelitian Dan Pengembangan Sumberdaya Lahan Pertanian, 2006 586 hlm. 3,3 cm 979-9474-55-8 PRO 378.147.34 SUB s C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi MFN2670