Effects of particle size, method and duration of extraction on asiaticoside in Centella asiatica - Darnis, Deny Susanti; Abdul Kudus, Farhana; Abdul Aziz, Huwaida; Ahmed, Qamar Uddin; Tengku Zakaria, Tengku Muhamad Faris Syafiq; Bakhtiar, M. Taher (IIUM Press, 2016)