International Rice Research Institute text Manila International Rice Research Institute 1991 Revised Edition viii, 230 hlm. : ilus.; 22 cm BASIC PROCEDURES AGROECONOMIC RESEARCH 631 631 BAS - 971-22-0007-8 20200715093819 INLIS000000000000269 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)