AHAD, ROSNEE, Nur Suhaila Rosli, and Mohamad Zaid Mustafa. 2021. “Child Presence Detection Car Alarm System Using GSM”. Research and Innovation in Technical and Vocational Education and Training 1 (2): 028-041. https://publisher.uthm.edu.my/periodicals/index.php/ritvet/article/view/208.