Koropitan, Alan F, et al. “Modeling Mackerel Tuna (Euthynnus Affinis) Habitat in Southern Coast of Java: Influence of Seasonal Upwelling and Negative IOD”. HAYATI Journal of Biosciences, vol. 28, no. 4, Sept. 2021, pp. 271-85, https://doi.org/10.4308/hjb.28.4.271-285.