Yusuf B, Shabri A. Enhancing Drought Forecasting Accuracy: A Wavelet-ARIMA Modelling Approach for Standardized Precipitation Index Data. MATEMATIKA [Internet]. 2025 Nov. 15 [cited 2025 Nov. 19];41(3):283-308. Available from: https://matematika.utm.my/index.php/matematika/article/view/1671