Phuong Lien, Nguyen Thi. “Diversity of Vespid Wasps (Vespidae: Hymenoptera) in Lang Son Province”. Academia Journal of Biology 38, no. 4 (January 23, 2017): 468–473. Accessed May 4, 2024. https://vjs.ac.vn/index.php/vjbio/article/view/8954.