Tong Yen Suan, Saiful Irwan Zubairi, Ruth Naomi Manuel, Zalifah Mohd Kasim, Nur Huda-Faujan. "Optimization of ultrasonic-assisted extraction of phenolic compounds from Clinacanthus nutans using ionic liquid (ILs) binary solvent: Application of Peleg’s model and response surface methodology." PLoS ONE, 2025. doi:10.1371/journal.pone.0326141