Oh my goodness! Amazing article dude! Thanks, However I am having difficulties with your RSS. I don’t know why I cannot join it. Is there anybody getting similar RSS problems? Anyone who knows the answer will you kindly respond? Thanx!!

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