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Mohd Shah MSF, Nik Ismail NMA. Microcontroller Based Obstacle Detection and Location Tracker Using Smart Stick System for Visual Impairment People. EEEE [Internet]. 2023 May 3 [cited 2024 May 18];4(1):305-13. Available from: https://publisher.uthm.edu.my/periodicals/index.php/eeee/article/view/10756