Identifying constraints in higher rice yield in yogyakarta Indonesia Widodo, Sri text Yogyakarta Gadjah Mada University Press 1978 - viii, 68 hlm. : ilus. ; 21 cm Sri Widodo Pertanian 338.1072 338.1072 Wid i 20240806100051 INLIS000000000006079 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)