Thi Hang, Truong. 2019. “The Immaculate Conception : A Case Study of Vietnamese Folktale “So Dua” and Thai Folktale ‘Thao Tao’”. Journal of Humanities and Social Sciences Suratthani Rajabhat University 11 (1). ฺืBangkok, Thailand:138-64. https://so03.tci-thaijo.org/index.php/jhsc/article/view/179055.