Sang, Do, 		Thanh Son, Nguyen, 		Thi Hue, Nguyen, AND 		Wayne Van Devender, Robert.
" Diversity of Terrestrial Molluscs in Ngoc Son-Ngo Luong Nature Reserve, Hoa Binh Province (Mollusca: Gastropoda)" <em>VNU Journal of Science: Earth and Environmental Sciences</em> [Online], Volume 37 Number 2 (26 June 2021)