INTAN SUSANTI WARUWU; ERVINA MARIMBUN ROSMAIDA SIAHAAN. Pengaruh Intensitas Instagram terhadap Kecenderungan Perilaku Narsistik pada Mahasiswa Universitas HKBP Nommensen Medan. Jurnal Ekonomi Efektif, [S. l.], v. 6, n. 4, p. 552–558, 2024. DOI: 10.32493/JEE.v6i4.43371. Disponível em: https://openjournal.unpam.ac.id/index.php/JEE/article/view/43371. Acesso em: 22 dec. 2024.