Panduan umum persekitaran berkualiti amalan 5s - UMP: Pusat Pembangunan Korporat & Pengurusan Kualiti, UMP, 2011 - 76 p. : ill. ; 15 cm. ISBN: OPE0000864(Local) SC00000297(Local) Subjects--Topical Terms: Quality of work lifeWork environment--Safety measures