Noer, Zulheri, et al. “Rat Taro Extract (Typhonium Flagelliforme (Lodd.)) As A Biofungicide Against the Cause of Leaf Fall (Pestalotiopsis sp.) on Rubber Plants (Hevea Brasiliensis)”. Jurnal Penelitian Pendidikan IPA, vol. 9, no. 6, June 2023, pp. 4699-04, doi:10.29303/jppipa.v9i6.3903.