Contact

Published by:
Cv. Inara
Jl. SM. Raja, Kota Rantauprapat, Sumatera Utara, Indonesia

Whatsapp: +6285370005518
 e-Mail: jurnalijstm@gmail.com

Principal Contact

Arman Harahap
Universitas Labuhanbatu
Phone 085370005518

Support Contact

Syaiful Zuhri Harahap
Phone 085370005518