Cong Ngoc, P. “NEGATIVE MOTH ER TONGUE LANGUAGE TRANSFER INTO ENGLISH WRITING LEARNING OF FIRST YEAR ADVANCED PROGRAM STUDENTS AT VIETNAM NATIONAL UNIVERSITY OF FORESTRY”. Journal of Forestry Science and Technology, no. 3, May 2016, pp. 183-92, https://journal.vnuf.edu.vn/en/article/view/1379.