Lien, N. T. P., N. T. T. Ha, L. V. Tuan, D. H. Ngan, and C. T. T. Nga. “Study on Solitary Wasps of the Subfamily Eumeninae (Hymenoptera: Vespidae) in Huu Lien and Na Hang Nature Reserves, With New Records of One Genus and Three Species”. Academia Journal of Biology, vol. 40, no. 3, Nov. 2018, doi:10.15625/2615-9023/v40n3.12921.