Syahdumawarta, L.I. et al. 2024. Larvicidal Activity of Zingiber purpureum Roscoe Essential Oil from East Kalimantan in Preventing Dengue Hemorrhagic Fever: Efficacy Test of Zingiber purpureum Roscoe Essential Oil as a Natural Larvicide . International Journal of Multidisciplinary: Applied Business and Education Research. 5, 9 (Sep. 2024), 3609–3614. DOI:https://doi.org/10.11594/ijmaber.05.09.20.