Lusiyanti, Desy, Syaiful Anam, Wayan Firdaus Mahmudy, and Umu Sa’adah. “Optimizing Deep Neural Networks for Water Quality Prediction Using Spider Monkey Optimization and Permutation Importance-Based Feature Selection: A Comparative Heuristic Approach”. Statistics, Optimization & Information Computing (October 2, 2026). Accessed October 15, 2026. https://iapress.org/index.php/soic/article/view/3627.