SUKIRMAN; ARWANI, M. Increasing Product Selling Value Through Product Variations, Brand Image and Promotion. International Journal of Social Sciences and Humanities Invention, [S. l.], v. 8, n. 09, p. 6553–6561, 2021. DOI: 10.18535/ijsshi/v8i09.04. Disponível em: https://valleyinternational.net/index.php/theijsshi/article/view/3221. Acesso em: 22 nov. 2024.