na INLIS000000000001497 20191229214203.0 191229| ||| | ind a 0010-121900000001497 Ahmad Said Ahmad Said 1 PT. Sinar Wadja Lestari : Jakarta PT. Sinar Wadja Lestari : Jakarta 2007 108 hlm ; 108 hlm, 978-979-1213-07-3 600 628,5 Sikib 2009 Sanitasi Higiene Dan Keselamatan kerja 628.5 B201505292360 B201505292361 B201506243149