Sunanjar, Eka Mustika, Mulawarman Mulawarman, and Edy Purwanto. “The Impact of Loneliness to Problematic Smartphone Use With Self Perception As a Mediator”. Jurnal Bimbingan Konseling 8, no. 1 (October 13, 2018): 32-36. Accessed April 27, 2024. https://journal.unnes.ac.id/sju/jubk/article/view/26618.