Bartrua, KN, et al. “Effects of Apple Supplement and Unsupervised Home-Based Brisk Walking on Low Density Lipoprotein Cholesterol”. Ethiopian Journal of Science and Technology, vol. 6, no. 1, Jan. 2025, pp. 55-63, https://journals.bdu.edu.et/index.php/EJST/article/view/1999.