Romadhoni, E.N. et al. 2022. Gel Formulation and Evaluation Of Cassava (Manihot esculenta) Flour As Accoustic Coupling Agent (ACA) Ultrasonography. Journal of Applied Health Management and Technology. 4, 2 (Apr. 2022), 42–46. DOI:https://doi.org/10.31983/jahmt.v4i2.8420.