1. Faculty of Chemical Technology, Hanoi University of Industry, BacTuLiem, Hanoi, Vietnam
2. Institute of Chemistry and Materials, 17 Hoang Sam, Cau Giay, Hanoi, Vietnam
3. Institute of Chemistry-Biology and Professional Documents, 47 Pham Van Dong, Cau Giay, Hanoi, Vietnam
4. Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, CauGiay, Hanoi, Vietnam