R. K. PAUL, H. GHOSH, and P. PRAJNESHU, “Wavelet methodology for estimation of trend in Indian monsoon rainfall time-series data*”, Indian J Agri Sci, vol. 81, no. 3, Mar. 2011, Accessed: Oct. 26, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/4540