Masa’deh, Ra’ed Moh’d Taisir, Bader Yousef Obeidat, Diana Shawqi Zyod, and Ala’a Hamdi Gharaibeh. 2015. “The Associations Among Transformational Leadership, Transactional Leadership, Knowledge Sharing, Job Performance, and Firm Performance: A Theoretical Model”. Journal of Social Sciences (COES&Amp;RJ-JSS) 4 (2):848-66. https://doi.org/10.25255/jss.2015.4.2.848.866.