text Jakarta Salemba Medika 2009 I viii, 387 hlm. 21 cm PUBLIC HEALTH 614.4 614.4 Mub i 9789793027791 INLIS000000000004237 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)