G. karpagam, B. lakshmi T, and D. prabu, “RADIOGRAPHIC EVALUATION OF MAXILLARY 1st PREMOLAR DEVELOPMENT BASED ON NOLLAS STAGE OF TOOTH DEVELOPMENT IN 7- 9 YEAR OLD MALE CHILDREN - A RETROSPECTIVE ANALYSIS”, Psychosocial rehabilitation, vol. 23, no. 5, pp. 965–971, Apr. 2025, doi: 10.61841/cyby7n61.