Wibisono, C. and Mujizat, I. (2018) “Efficiency as Mediator between Artifacts, Values and Cultural Organization Assumptions Employees Working On Effectiveness of Parliament Secretariat (Dprd) Riau Islands Provincial, Indonesia”, International Journal of Engineering and Technology, 7(4.28), pp. 217–224. doi:10.14419/ijet.v7i4.28.22582.