RULINDOVA, Alia Athaya; MARDHATILLAH, Amy; RULINDO, Ronald. DOES THE USE OF SOCIAL MEDIA AND MOTIVATIONAL SOURCES AFFECT LEARNING ACHIEVEMENT? REFLECTIONS ON THE LEARNING SYSTEM OF JUNIOR HIGH SCHOOL STUDENTS IN THE PANDEMIC PERIOD. Biopsikososial: Jurnal Ilmiah Psikologi Fakultas Psikologi Universitas Mercubuana Jakarta, Jakarta, Indonesia, v. 8, n. 2, p. 133–149, 2024. DOI: 10.22441/biopsikososial.v8i2.30354. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/biopsikososial/article/view/30354. Acesso em: 28 may. 2026.