Wibisono, Chablullah, and Indrayanib, Mujizat. 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 & Technology 7 (4.28): 217-24. https://doi.org/10.14419/ijet.v7i4.28.22582.