Nayak, P., S. Nayak, V. M, S. Acharya, and D. Sathiyabalan. “Smartphone Apps: A State-of-the-Art Approach for Oral Health Education.”. Journal of Oral Research, Vol. 8, no. 5, Jan. 2020, pp. 386-93, doi:10.17126/joralres.2019.060.