Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans Blog Hans

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