na INLIS000000000002256 20150209103107.0 a 140428 2002 jki ind 979-461-417-3 010-041400000000610 [21] 361.1 361.1 Pen - Pengelolaan - Lingkungan sosial / Penyunting, Jonny Purba Jakarta : Yayasan Obor Indonesia, 2002 x, 156 hlm. ; 21 cm SOSIAL-MASALAH SUPUDES