Gaurinindi, Melinda Febianca, Eti Poncorini Pamungkasari, and Bhisma Murti. “Meta-Analysis the Effects of Stretching and Whole Body Vibration Exercise in Reducing Low Back Pain Among Heavy Equipment Operator Workers”. Journal of Epidemiology and Public Health 6, no. 4 (October 16, 2021): 426–437. Accessed May 10, 2024. https://www.jepublichealth.com/index.php/jepublichealth/article/view/440.