HUTAGALUNG, G. A.; SEMBIRING, Z.; SAFITRI, H. R.; ASWANI, A.; KHAIRANI, A. I. Implementation of api chat messenger in the integrated presence system at Nur Azizi Tanjung Morawa private high school . Jurnal Mandiri IT, [S. l.], v. 13, n. 3, p. 355–360, 2025. DOI: 10.35335/mandiri.v13i3.368. Disponível em: https://ejournal.isha.or.id/index.php/Mandiri/article/view/368. Acesso em: 13 may. 2026.