Citation:Dhammika, K.A.S., Ahmad, F.B. and Sam, T.L. 2012. Transactional, transformational leadership and employee performance: the mediating effect of union commitment. 2nd International Conference in Accounting, Business and Economics (ICABEC), 10th – 11th November 2012, MS Garden Hotel, Kuantan Pahang, Malaysia. pp 151-159.