na INLIS000000000001846 ind 0010-0923000213 Rencana Kerja Penelitian Pola Bertanam 1980/1981 Ir Imtias Basa [et. al] Bogor : Lembaga Pusat Penelitian Pertanian, 1981 86 hlm. 1,2 cm - 633.001.5 LEM r C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi MFN2114