Suryadi, Bambang, Usni Dwi Ambarwaty Dwi Ambarwaty, Bahrul Hayat, and Neneng Tati Sumiat. 2020. “A PSYCHOLOGICAL FACTORS THAT INFLUENCE SMARTPHONE ADICTION OF ISLAMIC SCHOOL STUDENTS”. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW 7 (1), 50-58. http://103.8.12.212:33180/unj/index.php/ijer/article/view/16632.