Indrasvari M, Harahap RD, Harahap DA. Analysis of the Impact of Smartphone Use on Adolescent Social Interactions During COVID-19. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2021 Apr. 5 [cited 2024 May 5];7(2):167-72. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/622