40081document1779EMH_372E(3)_-_REFRIGERATION_&_AIR-CONDITIONING_APR-MEI_06.pdfapplication/pdf29798282013-07-13 00:41:54http://eprints.usm.my/1069/1/EMH_372E%283%29_-_REFRIGERATION_%26_AIR-CONDITIONING_APR-MEI_06.pdf