WIDODO, Widodo. Meningkatkan Kinerja Pemasaran: dengan Kreativitas Strategi. International Research Journal of Business Studies, Jakarta, Indonesia, v. 1, n. 2, p. 151–175, 2008. DOI: 10.21632/. Disponível em: https://irjbs.prasetiyamulya.ac.id/index.php/jurnalirjbs/article/view/861. Acesso em: 4 dec. 2025.