L. Maria Michael Visuwasam, Dr. V.P. Gladis Pushparathi, G. Gayathri, K. Divya, D. Elakkiya. 2020. “Intelligent Digital Assistant for Traveler Using Machine Learning”. International Journal of Advanced Science and Technology 29 (05), 9201-7. http://sersc.org/journals/index.php/IJAST/article/view/19000.