Akshatha, A., Amruthavalli Punuganti, Bhoomika Panduranga, and Chaitanya Girish. 2020. “Recognition of Counterfeit Currency Using OpenCV and Python”. International Journal of Research in Engineering, Science and Management 3 (7): 403-8. https://journal.ijresm.com/index.php/ijresm/article/view/108.