St. Ratnah, Alfrida M. Salasa, and Dwi S. F. Ramadhan. 2023. “Formulation, Physical Quality, and Microbial Contamination Tests of Anti-Acne Cream from Longan (Euphoria Longan [Lour. Steud.]) Seed Extract: Http: www.doi.org 10.26538 Tjnpr V7i7.5”. Tropical Journal of Natural Product Research (TJNPR) 7 (7): 3297-3305. https://tjnpr.org/index.php/home/article/view/2215.