MAINDOKA, F.; ANDERSON, G. M. O.; MANOPPO, A. J. Insomnia dan Konsentrasi Belajar Mahasiswa. Nutrix Journal, [S. l.], v. 7, n. 2, p. 187–192, 2023. DOI: 10.37771/nj.v7i2.983. Disponível em: https://nurturagrow.site/index.php/nutrix/article/view/983. Acesso em: 10 nov. 2025.