M Halimatus Sakdiah & R Krishna Gopal. (2010). Keberkesanan program keselamatan berasaskan tingkahlaku terhadap pencapaian keselamatan di industri minyak dan gas di Malaysia. Department Of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia.
Chicago Style (17th ed.) CitationM Halimatus Sakdiah and R Krishna Gopal. Keberkesanan Program Keselamatan Berasaskan Tingkahlaku Terhadap Pencapaian Keselamatan Di Industri Minyak Dan Gas Di Malaysia. Department Of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia, 2010.
MLA (8th ed.) CitationM Halimatus Sakdiah and R Krishna Gopal. Keberkesanan Program Keselamatan Berasaskan Tingkahlaku Terhadap Pencapaian Keselamatan Di Industri Minyak Dan Gas Di Malaysia. Department Of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia, 2010.