An Analysis on Core Competencies of Successful Sellers: Exploring the Impact of Core Competencies on Sales Performance. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 12, n. 2, p. 1173–1177, 2017. Disponível em: https://ignited.in/index.php/jasrae/article/view/6404.. Acesso em: 10 aug. 2025.