text Bandung Tarsito 1985 Cet.1 ind 185 hlm ilus 24 cm Santun R.P.Sitorus Bibliografi : hlm. 167-185 Tanah Pertanian 333.7613 20090227022415.0 YOGYA-02090000014316 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)