IRRI text Los Banos IRRI 1986 2 vol. : ill. ; 28 cm FARMING SYSTEM RESEARCH SISTEM PERTANAMAN 631.58 631.58 INLIS000000000002955 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)