Nkanza, Nilievna, Feng Ding, Sun Qiaolei, and Tu Yiliu , trans. “Technology and Developing Trends of Automatic Catwalk in China’s Drilling Rigs”. International Journal of Scientific Research and Management (IJSRM) 6, no. 07 (July 21, 2018): EC–2018. Accessed June 15, 2025. https://ijsrm.net/index.php/ijsrm/article/view/1638.