Putra, Rizky Yulion, et al. “Optimization of Green Extraction Methods and Characterization of Luteolin Particle Size from Celery (Apium Graveolens) NaDES Ultrasonics for Drug Raw Material Independence”. Indonesian Journal of Chemical Studies, vol. 5, no. 1, June 2026, pp. 20-30, doi:10.55749/ijcs.v5i1.117.