Khang, N. T., T. V. Vinh, C. V. Luong, T. C. Son, P. T. Son, and P. T. Vinh. “35 Years of Establishment and Development of Vietsovpetro’s Oil and Gas Production Technology”. Petrovietnam Journal, Vol. 5, May 2016, pp. 14-21, https://pvj.vn/index.php/TCDK/article/view/506.