Formulation and hedonic evaluation of fennel leaf (foeniculum vulgare) essential oil aromatherapy candles using soy and paraffin waxGani Purwiandono, Revando Ahmad Afiifi, Hafizh Royhan, Nurcahyo Iman Prakoso and Maisari UtamiBIO Web Conf., 226 (2026) 03001DOI: https://doi.org/10.1051/bioconf/202622603001