Wratsangka, R., and A. C. Mayasari. “Soy-Isoflavone Supplementation Tends to Reduce Menopausal Symptoms in Postmenopausal Women”. Universa Medicina, vol. 32, no. 2, Aug. 2013, pp. 118-27, doi:10.18051/UnivMed.2013.v32.118-127.