Machfudz, Machfudz, and Mukaffan. “EXAMINE THE EFFECT OF SMARTPHONE USE ON SOCIAL BEHAVIOUR AND EMOTIONAL INTELLIGENCE, AMONG ISLAMIC COLLEGE LECTURER IN LUMAJANG DISTRICT”. Ilmuna: Jurnal Studi Pendidikan Agama Islam 7, no. 2 (October 4, 2025): 687–703. Accessed September 11, 2026. https://pondokjurnal.uwj.ac.id/index.php/ilmuna/article/view/2502.