1.
Sitanggang YA, Halimah N. A Anxiety Level of Teenagers Using Smartphones at SMK Negeri 1 Martapura. Jour, Nurs, Invent [Internet]. 2023 Dec. 31 [cited 2024 Jul. 27];4(2):134-8. Available from: https://ejurnal.unism.ac.id/index.php/JNI/article/view/448