text Bogor IPB 1971 Ind viii, 52 p. ; 30 cm. viii, 52 p. ; 30 cm. INSTITUT PERTANIAN BOGOR STUDENTS AGRICULTURAL COLLEGES WEST JAVA 378.2 378.2INSb INLIS000000000025270 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)