Nanda, Tarun, and Sonia Nanda. “Periodontology - A Waning or Winning Speciality!!!”. Journal of Nepalese Society of Periodontology and Oral Implantology 3, no. 1 (September 20, 2019): 40. Accessed July 23, 2024. https://nepjol.info/index.php/jnspoi/article/view/24829.