Aryantini, D., Muslich, F., Hardini, P. ., Sariwati, A. ., Lailiyah, M., Sari, F. . and Hesturini, R. (2025) “Characterization of Extract, Formulation and Evaluation of Hand Sanitizer from Red Betel Leaf Extract (Piper crocatum L.)”, Jurnal Sintesis: Penelitian Sains, Terapan dan Analisisnya, 6(1). doi: 10.56399/jst.v6i1.284.