Preliminary data of the biodiversity in the area VNU Journal of Science Education Research, Vol 36, No 4 (2020) 50 59 50 Original Article Insights into High School Teachers’ and Students’ Perspectives on Communicative Skills Represented in English Textbook Tran Phan Ngoc Tu1,, Tran Quoc Thao2,* 1Bui Thi Xuan High School, 242 Bui Thi Xuan, Ward 2, Da Lat, Lam Dong, Vietnam 2Ho Chi Minh City University of Technology (HUTECH), 475 A Dien Bien Phu, Ward 25, Binh Thanh, Ho Chi Minh City, Vietnam Rece[.]