Hi there! I could have sworn I’ve been to your blog before but after browsing through some of the posts I realized it’s new to me. Anyhow, I’m definitely happy I found it and I’ll be book-marking it and checking back frequently!

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