Nugraha, Nareswari, Candra Dewi Nataningtyas, and Herdian. “The Effect of Prenatal Yoga on Back Pain in Pregnant Women”. Health and Technology Journal (HTechJ) 3, no. 3 (June 21, 2025): 325–329. Accessed July 7, 2025. https://journalkhd.com/ojs/index.php/htechj/article/view/353.