Meri, Meri, and Anindita Tri Kusuma Pratita. “Hedonic Value Of Purple Sweet Potato’s (Ipomoea Batatas L) Yogurt During The Covid-19 Pandemic”. Science Midwifery 10, no. 1, October (September 1, 2021): 58–63. Accessed June 8, 2026. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/148.