Chanza, . M. , Monamodi, . N.E. and Seitshiro, . M. 2025. Forecasting the South African tax-to-GDP ratio series utilizing seasonal autoregressive integrated moving average and artificial neural networks models . The Economics and Finance Letters. 12, 3 (Sep. 2025), 534–544. DOI:https://doi.org/10.18488/29.v12i3.4416.