Preliminary data of the biodiversity in the area VNU Journal of Foreign Studies, Vol 37, No 1 (2021) 165 175 165 DISCUSSION A PRELIMINARY STUDY ON LEXICAL COHESIVE DEVICES IN READING TEXTS IN THE TEXTBOOK TIẾNG ANH 10 PUBLISHED BY VIETNAM EDUCATION PUBLISHING HOUSE Nguyen Hoang Minh*1, Dong Thi Thuy2 1 University of Huddersfield, Queensgate, Huddersfield, HD1 3DH, United Kingdom 2 Hanoi National University of Education, 136 Xuan Thuy street, Cau Giay district, Hanoi, Vietnam Received 18 July 202[.]