na INLIS000000000002170 ing 0010-1023000091 Phosphorus Requirements For Sustainable Agriculture in Asia and Oceania - - Internasional Rice Research Institute, 1990 478 hlm. 1,8cm 971-22-0002-7 631.416.2 INT p C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi MFN2514