text Bandung Bina Cipta 1980 ind vii, 127 hlm 21 cm E. Ruchiyat Bibliografi : hlm. 126-127 Ekonomi tanah 333 20090227022148.0 YOGYA-02090000011792 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)