GUPTA, ANUP KRISHNA, AJOY KUMAR DUTTA, and RITA BASU. “TO MEET RISING COAL DEMAND INDUSTRY HAS TO INITIATE REQUIRED R& D AND EXPLORE LOOK-AHEAD TECHNOLOGY FOR INTRODUCTION IN MINE”. IJRDO - Journal of Business Management (ISSN: 2455-6661) 5, no. 2 (February 26, 2019): 01-18. Accessed September 22, 2019. https://ijrdo.org/index.php/bm/article/view/2710.