IBRAHIM, Nur Hafizah; TALIB, Rahmat. Visible Light Fence System for Indoor Kids Vehicles. Evolution in Electrical and Electronic Engineering, [S. l.], v. 2, n. 2, p. 748–756, 2021. Disponível em: https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/3915. Acesso em: 8 apr. 2026.