The effects of mobile phone addiction on learning engagement of Chinese college students - the mediating role of physical activity and academic self-efficacy
Shuqiao Meng, Kai Qi, Panyi Shen, Meng Zhang, Yu Zhang, Nzubechi Onyebuchi, Ge Zhan, Fanqi Wei, Wen-xia Tong, Yahui Han, Xiaoyu Ge
BMC Public Health