Education on the use of butterfly pea flowers (Clitoria ternatea) as an antibacterial agent in handwashing soap for students at SDN Pedurungan Kidul 04 Semarang. Community Empower [Internet]. 2023 Oct. 31 [cited 2026 Sep. 30];8(10):1623-8. Available from: https://coba.unimma.ac.id/ce/article/view/9783