Masyhudi, Candra, K.P., Hardi, E.H., Ahmad, I., Panggabean, A.S., Kuncoro, H. and Nugroho, R.A. 2025. Effectiveness of combined bangle rhizome (Zingiber montanum) and black betel leaf (Piper betle var. nigra) water extract in combatting caries-causing oral pathogens using response surface methodology. Agriculture and Natural Resources. 59, 2 (May 2025).