Rahayu, Sri, Nurul Huda, Rizky Priambodo, Rusdi Rusdi, and Elsa Lisanti. 2024. “Liquid Soap from Waste Cooking Oil Containing Betel and Aloe Vera Creates Low Risk to Allergic Contact Dermatitis in Rat Skin”. Trends in Sciences 21 (9). Nakhon Si Thammarat, Thailand:8127. https://doi.org/10.48048/tis.2024.8127.