Trần , Thế Định, and Thị Thanh Nhàn Nguyễn. “Analysing the Characteristics of Major Branches of Modern Geography”. Ho Chi Minh City University of Education Journal of Science, vol. 15, no. 1, Sept. 2019, p. 182, doi:10.54607/hcmue.js.15.1.154(2018).