na INLIS000000000007139 20160519113038.0 9789795343110 010-031600000000304 [22] 553.8 553.8 MER b Mercer, Ian Batu mulia dan lingkungannya / Ian Mercer ; Penyunting Rizka Yanuarti, S.S Cet. 2. Jakarta : Pakara Raya, 2009 32 hlm. : ilus. ; 30 cm Seri life skill lingkungan hidup Indeks Judul asli : Resources gemstones and the environment BATUAN Rizka Yanuarti S.S Perpusdakedirikota 23332/PU-KDR/PP/2015 23336/PU-KDR/PP/2015 23337/PU-KDR/PP/2015 23334/PU-KDR/PP/2015 23335/PU-KDR/PP/2015 23333/PU-KDR/PP/2015