na INLIS000000000001855 ind 0010-0923000222 Rencana Penelitian Tingkat Peneliti Kegiatan Peneliti 1990/91 Sumber Dana APBN Ir. Z.A. Simanullang, MS. Sukamandi : Balai Penelitian Tanaman Pangan Sukamandi, 1989 160 hlm. 1,4 cm - 633.001 BAL r C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi MFN2123