Sharma, K., A. Kohli, A. Katiyar, S. Panda, and R. Katyayan. “Factors for Crowding in the Early Mixed Dentition Stage”. UNIVERSITY JOURNAL OF DENTAL SCIENCES, Vol. 6, no. 3, Jan. 2021, pp. 44-49, doi:10.21276/ujds.2020.6.3.10.