Can I simply just say what a relief to discover someone who really knows what they're discussing on the internet. You actually understand how to bring a problem to light and make it important. A lot more people have to read this and understand this side of the story. I was surprised that you are not more popular since you certainly 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