Duryat, Duryat, et al. “Phytochemical Screening of an Ethanolic Extract of Spathodea Campanulata Leaf Using GC-MS and LC-MS Technology”. Journal of Multidisciplinary Applied Natural Science, vol. 5, no. 3, Aug. 2025, pp. 983-97, doi:10.47352/jmans.2774-3047.296.