1Xinxuan Cheng and 2Xiangsong Meng
1School of Management
2School of Economics, Hebei University, Baoding 071000, China
Advance Journal of Food Science and Technology 2016 10:692-696
Received: September ‎9, ‎2015 | Accepted: October ‎17, ‎2015 | Published: August 05, 2016