1. Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
2. School of Engineering & Technology, Duy Tan University, Da Nang 550000, Vietnam
3. Faculty of Physics, The University of Danang – University of Science and Education, Da Nang, 550000, Vietnam
4. Faculty of Environmental Science, Saigon University, 273 An Duong Vuong Street, Ward 3, District 5, Ho Chi Minh City, Vietnam