M.M Israfil Shahin Seddiqe, et al. “A Thesis Report on the Application of Preventive Replacement Strategy on Machines in Perspective of Cement Industry in Bangladesh”. Global Journals of Research in Engineering, vol. 14, no. J5, Mar. 2014, pp. 55-62, https://engineeringresearch.org/index.php/GJRE/article/view/1261.