Kayode M, Man SA, Oluwabunmi OB. Design of a Microcontroller based Electronics Billboard using GSM. Int Jour of Innovative Analyses and Emerging Technology [Internet]. 2022 Jul. 16 [cited 2025 Jul. 13];2(7):21-8. Available from: https://www.oajournals.net/index.php/ijiaet/article/view/1494