Singh, Priyanka, Shraddha Singh, Archna Ghildiyal, and Dileep Kumar Verma. “Comparison of Respiratory Fitness and Happiness Levels in Morning and Evening Walkers”. International Journal of Research in Medical Sciences 14, no. 3 (February 26, 2026): 1114–1119. Accessed March 26, 2026. https://www.msjonline.org/index.php/ijrms/article/view/16458.