Managing Change Upul Abeyrathne, Dept. of Economics, University of Ruhuna, Matara.
Introduction to Public Administration Upul Abeyrathne, Senior Lecturer, Department of Economics, University of Ruhuna, Matara.
Decision Making Upul Abeyrathne, Dept. of Economics, University of Ruhuna, Matara.
Personnel System of U.S.A. Dr. Upul Abeyrathne, Dept. of Economics, University of Ruhuna, Matara.
