NATONIS, Desi Luty Ermawati; NGGANDUNG, Yeheskial; BUTAR-BUTAR, Agustina. Study Discipline Among High School Students: Effects of Social Media Usage, Self-Management, and Peer Environment . Edu Cendikia: Jurnal Ilmiah Kependidikan, [S. l.], v. 6, n. 02, p. 1549–1563, 2026. DOI: 10.47709/educendikia.v6i02.8874. Disponível em: https://jurnal.itscience.org/index.php/educendikia/article/view/8874. Acesso em: 26 aug. 2026.