Rohyami, Y., A. R. . Wijaya, and Y. Ruwindya. “Determination of Ethanol in Vinegar and Beverage by Gas Chromatography: A Validated Method for Halal Verification”. Indonesian Journal of Chemical Analysis (IJCA), vol. 7, no. 1, Mar. 2024, pp. 43-52, doi:10.20885/ijca.vol7.iss1.art5.