Ilembo B, Kassim R. The Power of first differencing in addressing non stationarity time series: Empirical evidence from price of rice using SARIMA model, Tanzania . EAJCR [Internet]. 2025 Apr. 4 [cited 2025 Apr. 19];5(1):53-69. Available from: https://eajcr.org/index.php/eajcr/article/view/63