Nguyen Ngoc Kim Ngan. “ETHNIC CONCEPT IN ANCIENT INDIAN PHOLOSOPHY CHARACTERISTICS AND MEANING OF HISTORY”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 18, no. 5, Apr. 2021, pp. 343-54, https://www.archives.palarch.nl/index.php/jae/article/view/7912.