Hutauruk, D., Marpaung, J. K. ., Nurmela, N. and Ginting, J. A. . (2025) “Effectiveness Test Of Green Betel Leaf Ethanol Extract Gel Preparation (Piper Betle L.) Against Pseudomonas Aeruginosa Bacteria”, Journal of Innovative and Creativity, 5(2), pp. 13318–13323. doi: 10.31004/joecy.v5i2.2056.