@article {32289,
	title = {The Application and Effect of Smart Phones and an Online Tutoring System CSIEC for Vocabulary Drilling through Nine Semesters},
	journal = {Int. J. Mobile Learning and Organisation},
	volume = {16},
	year = {2022},
	pages = {248-265},
	author = {Jia, J., Chen, Z., Zhang, J.}
}
