Doan Van Thuan, Trinh Viet Thang, Nguyen Xuan Truong, and Tran Thi Minh Anh. 2018. “Petronas’ Contractor Compliance Index and Some Recommendations for E&P Project Management in Vietnam”. Petrovietnam Journal 7 (July), 50-58. https://doi.org/10.25073/petrovietnam journal.v7i0.73.