Minh, T. Q., Anh, N. T., An, V., Hieu, P. T., Chi, H. M., & Hien, N. T. T. (2014). Study on synthesis of nonionic surfactants from recovered phenol in Vietnam for use in enhanced oil recovery and oil well stimulation. Petrovietnam Journal, 7, 40-49. Retrieved from https://pvj.vn/index.php/TCDK/article/view/580