Duyen, Nguyen, 		Thanh, Nguyen, AND 		Loc, Phan.
" Contribution to the Enumeration and Study of the Podocarpus L’Hér. ex Pers. s.str. (Podocarpaceae) Taxa in Vietnam" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 33 Number 4 (27 November 2017)