@article{oai:hdu.repo.nii.ac.jp:00000085, author = {COTTAM, Chad and Tat, Cristina R.}, journal = {姫路獨協大学外国語学部紀要, The Journal of the College of Foreign Languages Himeji Dokkyo University}, month = {Feb}, pages = {67--80}, title = {It's Your Call : Addressing the Rapid Rise of Smartphone Use in EFL Instruction}, volume = {31}, year = {2018} }