Nam, T. T., Huong Thuy, H. T., Hung, D. P., Thang, L. B., & Cam Ha, N. T. (2016). {"en_US":"Untitled"}. <i>Vietnam Journal of Science and Technology</i>, <i>54</i>(3), 377–385. https://doi.org/10.15625/0866-708X/54/3/6758