K, H., B, B. and Kumari B, L. 2021. Role of Preliminary Data Collection for Nutritional Education of Adolescent (13-15 yrs) in Two Different Regions of South India. Current Trends in Biotechnology and Pharmacy. 15, 2 (May 2021), 198–212. DOI:https://doi.org/10.5530/ctbp.2021.2.22.