Ilmiyah MA, Wahyunita W, Agustin N. Smartphone Usage Levels Among Fifth Grade Students at Integrated Islamic Elementary Schools An – Najiyah Tuban. jomre [Internet]. 2026 Mar. 30 [cited 2026 Apr. 16];2(1):18-25. Available from: https://jomre.unimika.ac.id/index.php/jomre/article/view/17