An introduction to epidemiologi methods Tunggul Aryantin dkk text 1983 165 hlm.;21cm 613 0-19-503260-8 210507 20210507070601 INLIS000000000001152 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)