Khosravi R, Peikfalak J, Fattahi Nafchi H. The Role of Fundamental Factors in Optimal Stock Portfolio Formation Using the Fama–French Five-Factor Model with an Emphasis on Data Mining: Evidence from Pharmaceutical Companies Listed on the Tehran Stock Exchange. BMF OPEN. Published online July 30, 2026:1-20. Accessed September 7, 2026. https://www.bmfopen.com/index.php/bmfopen/article/view/613