Dr. Lalitha Rani Chellappa, Harippriya Karthikeyan,. “KNOWLEDGE AND AWARENESS OF ORAL HYGIENE AMONG PARENTS OF SPECIAL SCHOOL CHILDREN ”. Obstetrics and Gynaecology Forum, vol. 34, no. 2s, May 2024, pp. 691-7, http://obstetricsandgynaecologyforum.com/index.php/ogf/article/view/210.