Phuong Lien, Nguyen Thi. “Diversity of Vespid Wasps (Vespidae: Hymenoptera) in Lang Son Province”. <i>Academia Journal of Biology</i> 38, no. 4 (January 23, 2017): 468–473. Accessed December 5, 2025. https://vjs.ac.vn/vjbio/article/view/8954.