Kurniawan AT, Santoso J, Purgiyanti P. Utilization Of Black Tea Pulp Extract (Black Tea) As An Active Ingredient In Hand Wash Preparation. Jurnal EduHealth [Internet]. 2025 Jan. 14 [cited 2025 Jan. 22];16(01):55-66. Available from: https://ejournal.seaninstitute.or.id/index.php/healt/article/view/6142