Hong Nguyen Pham, Si Hung Ho, Thi Huong Len Le, Thi Minh Xuan Nguyen* 2026. Natural dishwashing liquid from fermented grapefruit peel solution. Vietnam Journal of Science, Technology and Engineering. 68, 1 (Mar. 2026). DOI:https://doi.org/10.31276/VJSTE.2025.0023.