Thai Loc, H., V. Van Hanh, B. Thi Le Anh, P. Hong Ngoc, T. Tran Dinh, N. Bich Ha, and M. Tien Thanh. “Assessment of Occupational Health and Diseases in Vietnam’s Oil and Gas Industry”. Petrovietnam Journal, Vol. 3, Mar. 2017, pp. 58 -61, doi:10.25073/petrovietnam journal.v3i0.136.