na INLIS000000000000093 ind 0010-0423000093 IRRI publications catalog 1998/1999 Anonim Anonim Philippines IRRI (International Rice Research Institute) 1998 139 hlm. 1 cm - 015.01 INT i C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi MFN1023