1. Ho Chi Minh City Open University, 97 Vo Van Tan Str., District 3, Ho Chi Minh City 700000, Vietnam
2. MIDOLI Company Limited, Second Floor, 02-04 Alexandre de Rhodes, Ben Nghe, District 1, Ho Chi Minh City 700000, Vietnam
3. Institute of Chemical Technology, Vietnam Academy of Science and Technology, No. 1A, TL29 Str., Thanh Loc Ward, District 12, Ho Chi Minh City 700000, Vietnam
4. Tra Vinh University, 126 Nguyen Thien Thanh, Tra Vinh City 87000, Vietnam