Ahmad, S., Abedi, A.J., Ansari, M.A., Khalil, S. and Khan, M.N.A. 2021. PHYSICAL ACTIVITY AND SCREEN TIME: A CROSS-SECTIONAL STUDY IN ALIGARH, NORTH INDIA. The Indonesian Journal of Public Health. 16, 2 (Aug. 2021), 166–176. DOI:https://doi.org/10.20473/ijph.v16i2.2021.166-176.