Rahman , Herliati, Satrio Nur Prambudi, and Wahyu Endranaka. 2022. “Application of Ultrasonic Assisted Extraction Method for Extraction of 6-Gingerol in Zingiber Officinale Var. Rubrum”. Current Overview on Science and Technology Research Vol. 6, October, 71-82. https://doi.org/10.9734/bpi/costr/v6/8010F.