na INLIS000000000001573 ind 0010-0723000276 Model Perpustakaan Balai Penelitian Pertanian Anonim Bogor : PUSTAKA, 1998 33 hlm. 0,3 cm - 025.25 PUS m C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi MFN992