Oh my goodness! Impressive article dude! Thank you, However I am experiencing difficulties with your RSS. I don’t know the reason why I am unable to join it. Is there anybody else having the same RSS issues? Anybody 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