IBRAHIM SAMEER. Study on the effect of internal marketing on service quality: Systematic Literature Review. Systematic Literature Review and Meta-Analysis Journal, [S. l.], v. 1, n. 2, p. 68–88, 2021. DOI: 10.54480/slrm.v1i2.6. Disponível em: http://slr-m.com/index.php/home/article/view/6. Acesso em: 31 may. 2026.