na INLIS000000000001934 ind 0010-0923000301 Ragam Pemikiran Pengembangan Pertanian 2015-2016 M. Husein Sawit [et.al] Jakarta : IAARD PRESS, 2017 272 hlm. 1,3 cm 978-602-344-160-0 63.001.5 BAD r C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi MFN2245