Chinchai, P., Inthanon, R., Wantanajittikul, K. and Chinchai, S. (2022) “A white cane modified with ultrasonic detectors for people with visual impairment”, Journal of Associated Medical Sciences, 55(3), pp. 11–18. available at: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/255459 (accessed: 6 December 2025).