Yen, Vu Thi
Nan, Wang Yao
Van Cuong, Pham
Funding for this research was provided by:
National Natural Science Foundation of China (61175075)
National Hightech Research and Development Projects (2012AA112312, 2012AA11004)
Article History
Received: 16 May 2017
Accepted: 4 May 2018
First Online: 16 May 2018
Compliance with ethical standards
:
: Wang Yao Nan has received research grants from Hunan University. Vu Thi Yen is a lecturer in Saodo University, Vietnam. Pham Van Cuong is a lecturer in Hanoi University of Industry, Vietnam.