text Yogyakarta Graha Ilmu 2014 Cet.1 xv, 174 hlm. : ilus. ; 26 cm. / I Gede Widayana, Wiratmaja. Bibliografi: hlm 173-174 Kesehatan Kerja 331.25 331.25 IGe K 978-602-262-382-3 YOPDYOG 20160805082232.0 INLIS000000000021807 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)