Oh my goodness! Incredible article dude! Many thanks, However I am encountering difficulties with your RSS. I don’t know why I can't subscribe to it. Is there anybody else having similar RSS problems? Anyone who knows the answer can you kindly respond? Thanks!!

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