Linh, H., P. V. Anh, and L. V. Tuyen. “Study on Thermostable Surfactant Systems for Enhanced Oil Recovery in the Oligocene Sandstone Reservoir of Bach Ho Oil Field”. Petrovietnam Journal, Vol. 5, May 2014, pp. 37-48, https://www.dacsandaukhi.vn/index.php/TCDK/article/view/567.