A.Malathi Syamala, Parveen, and Alagu Varshini. “Effects on Cognitive Development Among Adolescent School Children by the Practice of Trataka Kriya”. International Journal of Ayurveda and Pharma Research, Vol. 10, no. 6, July 2022, pp. 111-4, doi:10.47070/ijapr.v10i6.2428.