Having read this I thought it was rather informative. I appreciate you taking the time and effort to put this information together. I once again find myself spending a significant amount of time both reading and commenting. But so what, it was still worthwhile!

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