Copyright of International Journal of Science and Environment (IJSE)
This work is licensed under a Creative Commons Attribution 4.0 International License. (CC BY 4.0).
Published by:
CV. Inara
Jl. SM. Raja, No 27 Kota Rantauprapat, Sumatera Utara, Indonesia
Whatsapp: +6285370005518
Email: ijsejurnal@gmail.com