AbbasI, S. ., Khourdustan, P. ., Sayyadi, R. ., Vahabzadeh, S. ., & Shamseddin Alizadeh, S. . (2018). How to write a proper HSE management system policy?. Scientific Journal of Pure and Applied Sciences, 7(5), 774-780. Retrieved from http://sjournals.com/index.php/sjpas/article/view/34