1.
Rambabu Vatti, K. S. Balamurugan, B. Krishnaveni, Nagarjuna Vatti, Prasanna Lakshmi Vatti. Cashless Travel Ticketing System to Avoid COVID . IJAST [Internet]. 2020Mar.30 [cited 2026Jul.27];29(3):14677 -. Available from: http://sersc.org/journals/index.php/IJAST/article/view/31955