I was very pleased to discover this web site. I want to to thank you for ones time for this particularly wonderful read!! I definitely savored every little bit of it and I have you bookmarked to check out new things on your web site.

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