SEKEROGLU, G.; KARABOGA, K. . The effect of marketing and R&D expenditures on firm profitability and stock return: Evidence from BIST. An International Journal of Optimization and Control: Theories & Applications (IJOCTA), [S. l.], v. 13, n. 1, p. 35–45, 2023. DOI: 10.11121/ijocta.2023.1238. Disponível em: http://ijocta.org/index.php/files/article/view/1238. Acesso em: 27 jan. 2025.