Phuong Giang, Nguyen, Huong Mai, Doan, AND Thi Xuyen, Do. " Biological and ecological characteristics of Rhus tree - Toxicodendron succecdanea (L.) Kuntze planted in Da Bac district, Hoa Binh province" VNU Journal of Science: Natural Sciences and Technology [Online], Volume 33 Number 1S (10 October 2017)