CONTACT US

• The information about the conference can be found at: https://octa.hpu2.edu.vn
• For more details, please send an email to octa@hpu2.edu.vn 

Assoc. Prof. Nguyen Van Tuyen,

Hanoi Pedagogical University 2,

32, Nguyen Van Linh Street, Xuan Hoa Ward, Phuc Yen City, Vinh Phuc Province, Vietnam

Tel: +84974774799; Email: nguyenvantuyen83@hpu2.edu.vn