Amanda Octavia and Widyastuti 2025. THE RELATIONSHIP BETWEEN SELF-CONTROL AND NARCISSISTIC TENDENCIES IN STUDENTS USING INSTAGRAM SOCIAL MEDIA. Proceeding Series Fakultas Psikologi Universitas Muhammadiyah Surabaya. 1, 1 (Jan. 2025). DOI:https://doi.org/10.30651/psychoseries.v1i1.25263.