Can I simply just say what a comfort to discover somebody that really knows what they are talking about on the net. You definitely know how to bring a problem to light and make it important. More people ought to read this and understand this side of the story. I was surprised that you're not more popular because you surely have the gift.

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