M. Hassanzadeh, A. D. Silong, A. Asmuni, and N. W. Abd Wahat, “Developing Effective Global Leadership”, JESR, vol. 5, no. 3, p. 15, Sep. 2015, Accessed: Sep. 13, 2026. [Online]. Available: https://www.richtmann.org/journal/index.php/jesr/article/view/7695