Rani Doifode, Rakesh Someshekar, P. P. D. A. S. A. P. “IMPLEMENTATION OF OPTICAL CHARACTER RECOGNITION (OCR) SYSTEM FOR CAMERABASED HANDHELD DEVICES”. Design Engineering, July 2021, pp. 1074-8, http://www.thedesignengineering.com/index.php/DE/article/view/2546.