Contact

email: jurnalotopro@unesa.ac.id

Principal Contact

A. Grummy Wailanduw
Universitas Negeri Surabaya Fakultas Teknik Universitas Negeri SurabayaKampus UNESA Ketintang Surabaya
Phone +62 8573 0235 172

Support Contact

Slamet Prasetyo Utomo
Phone +62 822-4558-8878