text Jakarta Gramedia 1974 Cetakan : 2 ind xxxviiii, 317 hlm. : ilus. ;20.5 cm. Ekologi Manusia 526 0-393-06391-7 20130515222823 INLIS000000000010611 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)