Dhamayanti, Meita, Resti Gradia Dwiwina, and Rubiah Adawiyah. 2019. “Influence of Adolescents’ Smartphone Addiction on Mental and Emotional Development in West Java, Indonesia”. Majalah Kedokteran Bandung 51 (1):46-52. https://doi.org/10.15395/mkb.v51n1.1577.