Ningtias, S., Harjono, H., Kurniawan, C. and Wardhana Kusuma, S. 2023. Optimization Ultrasonic Assisted Extraction of Dye from African Tulip Leaves (Spathodea Campanulata P. Beauv) and Optimization of it’s Application as A Textiles Dye. Indonesian Journal of Chemical Science. 12, 2 (Aug. 2023), 143-160. DOI:https://doi.org/10.15294/ijcs.v12i2.70623.