DJEMBA NSOMBE ASTRID. The impact of changes in the variables of the modern marketing mix on the performance of commercial enterprises: an empirical analysis extending to the 8Ps. International Journal of Scientific Research and Innovative Studies, [S. l.], v. 5, n. 4, p. 1176–1181, 2026. DOI: 10.63883/ijsrisjournal.v5i4.946. Disponível em: https://www.ijsrisjournal.com/index.php/ojsfiles/article/view/946. Acesso em: 26 sep. 2026.