text Jakarta PT. RajaGrafindo Persada 1997 ind xviii, 232hlm. ; 21 cm. Sains 500 500 Jas i 1 170727 20170727124313.0 INLIS000000000066952 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)