Validasi dan Penjaminan Mutu Metode Analisis Kimia text UGM PRESS 2012 ind 249 halaman 543 543 ABD v 978-979-420-854-0 INLIS000000000000220 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)