Nguyen , Anh Duc. “Updates on Gas Hydrate Investigation, Exploration and Production in the World and Further Direction of Its Investigation and Exploration in Vietnam”. Petrovietnam Journal 90 (October 11, 2022): 41 - 52. Accessed June 14, 2026. http://www.pvj.com.vn/index.php/TCDK/article/view/877.