Sukhitha, Ramesh, et al. “WHO/MOHFW/-/Guidelines/to/Practice/Prosthodontics/and/Implant/Procedures/During/COVID-19/Pandemic”. International Journal of Dental Materials, vol. 4, no. 1, Feb. 2022, pp. 17-21, https://doi.org/10.37983/IJDM.2022.4104.