Le Anh Vinh vinhla@vnies.edu.vn Do Duc Lan landd@vnies.edu.vn Phung Thi Thu Trang trangptt@vnies.edu.vn Vu Van Luan vuvanluanftu.k50@gmail.com Nguyen Trung Thanh thanhnt.hes@vnu.edu.vn Summary: View fileRefers: Journal: No. 1, July 2023
