Regenerated Silica Gel for Isolation of Ethyl p-Methoxycinnamate from Kaempferia galanga rhizomeNadia Adelia Mazaya, Diana Widiastuti, Indri yati, Muhammad Eka Prastya, Agustina Sus Andreani and Zetryana Puteri TachrimE3S Web Conf., 503 (2024) 07001DOI: https://doi.org/10.1051/e3sconf/202450307001