This is the perfect webpage for anyone who wishes to find out about this topic. You realize so much its almost hard to argue with you (not that I really will need to…HaHa). You certainly put a fresh spin on a subject that has been written about for a long time. Excellent stuff, just great!

INDEXED BY:

         

This work is licensed under a Creative Commons Attribution 4.0 International License. 

CSRID Journal Editor's Office:

Universitas Potensi Utama. Jl. K.L. Yos Sudarso Km 6,5 No.3-A Telp. (061) 6640525 Ext. 214 Tanjung Mulia Medan 20241