na INLIS000000000001848 ind 0010-0923000215 Rencana Kerja Penelitian (RKP) 1989/1990 Soewardi SA [et. al] Sukamandi : Balai Penelitian Tanaman Pangan Sukamandi, 1989 414 hlm. 6,4 cm - 633.001.1 BAL r C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi MFN2116