Piedade, S. D. R., I. M. Wardana, G. Riana, and I. G. A. M. Dewi. “The Role of Motivation: The Effect of Transformational Leadership on Employee Performance”. International Research Journal of Management, IT and Social Sciences, vol. 6, no. 6, Nov. 2019, pp. 253-6, doi:10.21744/irjmis.v6n6.803.