Le, Xuan Huyen. “Promoting Co-Operation and Research for Technology Development, Building an Open Innovation Ecosystem to Promote Sustainable Development of Vietnam Oil and Gas Group”. Petrovietnam Journal 90 (October 11, 2022): 4 - 8. Accessed February 13, 2025. http://pvj.com.vn/index.php/TCDK/article/view/872.