cynthiam whitham, MSW text Jakarta PT. Gramedia Pustaka Utama 2003 id 212 hlm.:15x23cm proses persepsi 153.7 979-22-0256-0 180916 20180916032519 INLIS000000000018648 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)