2026. Study Of Forward - Reverse Mototr Control System Using Zelio Smart Relay in Fild Work Activities: Studi Sistem Kendali Motor Forward–Reverse Menggunakan Smart Relay Zelio Pada Kegiatan Praktik Kerja Lapangan. Procedia of Engineering and Life Science. 10, 1 (Oct. 2026), 90–95. DOI:https://doi.org/10.21070/pels.v10i1.3163.