Yunita, Ariana, Nursechafia Nursechafia, Erwin Setiawan, Herminarto Nugroho, and Hani Ramadhan. 2018. “The Relationship Between Mobile Phone Usage in Classroom and Academic Achievement in College Life”. International Journal of Interactive Mobile Technologies (iJIM) 12 (8):pp. 96-103. https://doi.org/10.3991/ijim.v12i8.9530.