Gaspersz, Nelson, et al. “Chemicals Identification in The Ethyl Acetate Fraction and The Antioxidant Activity from Calabash Seed (Cresentia Cujete) Extract”. HAYATI Journal of Biosciences, vol. 31, no. 6, Aug. 2024, pp. 1144-53, https://doi.org/10.4308/hjb.31.6.1144-1153.