Bhattarai, Rosina, Sunita Khanal, G. Nagaraja Rao, Bhageshwar Dhami, and Sujaya Gupta. 2017. “Oral Hygiene and Periodontal Health Status of Urban Population of Kathmandu District: A Pilot Study”. Journal of Nepalese Society of Periodontology and Oral Implantology 1 (1):12-16. https://doi.org/10.3126/jnspoi.v1i1.23521.