Teguh Yuwono text Yogyakarta PT Citra Aji Parama 2008 - iv, 60 hlm. : ilus. ; 21 cm. Teguh Yuwono Konservasi Tanah 631.4 631.4 TEG k 979-1464-84-0 20190305113459 INLIS000000000000799 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)