Economic analysis of tractors ownership and utilization in South Sulawesi, Indonesia text Los Banos Univ. Of The Filippines 1983 xviii, 162 p. : ill. ; 28 cm MECHANIZATION COSTS WEST JAVA MEKANISASI JAWA BARAT 631.372 631.372 INLIS000000000002995 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)