Hi! I could have sworn I’ve visited this web site before but after looking at a few of the posts I realized it’s new to me. Nonetheless, I’m certainly happy I came across it and I’ll be bookmarking it and checking back regularly!

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