HARPER, P. Influencing Factors of Product Diversification and Innovation: An Exploration of Geographic Clustering and Product Breadth. Journal of Marketing Development and Competitiveness, [S. l.], v. 11, n. 4, 2017. Disponível em: https://articlearchives.co/index.php/JMDC/article/view/4385. Acesso em: 20 sep. 2025.