Sun Chenxiang และ Tanai napakoon. (2018) Relationship Between Smart Devices and University Study Efficiency: a Case Study of Rangsit University. Rangsit University:ม.ป.ท.Sun Chenxiang และ Tanai napakoon. 2018. Relationship Between Smart Devices and University Study Efficiency: a Case Study of Rangsit University. ม.ป.ท.:Rangsit University;Sun Chenxiang และ Tanai napakoon. Relationship Between Smart Devices and University Study Efficiency: a Case Study of Rangsit University. ม.ป.ท.:Rangsit University, 2018. Print.