Sarireh, M. K. (2015) “Minor Time Ratio in HDD Prereaming Time in Clayey Conditions – Case Study”, International Journal of Sustainable Construction Engineering and Technology, 6(2), pp. 1-15. Available at: https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/1078 (Accessed: 7December2019).