Thắng, Đặng V., and V. V. Sen. “Recognition of Oc Eo Culture Relic in Thoai Son District an Giang Province, Vienam”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 36, no. 1, Oct. 2017, pp. 271-93, https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/3393.