Chanza, Martin, Nkosinathi Emmanuel Monamodi, and Modisane Seitshiro. 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):534-44. https://doi.org/10.18488/29.v12i3.4416.