na YOGYA-02090000045336 20090227030858.0 ind 979-424-543-5 010-020900000045336 331.25 331.25 Cah K DEP CAHYONO, Achmadi Budi Keselamatan kerja bahan kimia di industri Achmadi Budi Cahyono Cet. 1 Yogyakarta Gadjah Mada University Press 2004 xiv, 145 hlm ilus 21 cm Keselamatan kerja YOPDYOG (M) 22-5-2007 1 CB-D.11 2004-758h