Rohaya, R., G. Geawanty, and N. Novita. “Effectiveness Prenatal Yoga on Back Pain of Pregnant Women in Third Trimester”. Journal of Maternal and Child Health Sciences (JMCHS), Vol. 1, no. 1, Dec. 2021, pp. 38-43, doi:10.36086/maternalandchild.v1i1.1058.