A, Aziba Dennis; M, Essien Odudu; O, Hammed Waheed; O, Aduwa Uyiekpen. DESIGN OF AN LED MATRIX DIGITAL DISPLAY SYSTEM. Frontline Professionals Journal, Nigeria, v. 2, n. 2, p. 24–28, 2026. Disponível em: https://www.fpjournal.com.ng/index.php/home/article/view/46. Acesso em: 13 may. 2026.