Ayodele, Adefemi, Adedotun Adetunla, and Esther Akinlabi. “Depression Severity Prediction Using Stacked Heterogenous Learning on Integrated Biomedical and Lifestyle Data”. International Journal of Online and Biomedical Engineering (iJOE) 21, no. 14 (December 12, 2025): pp. 156–167. Accessed June 19, 2026. https://online-journals.org/index.php/i-joe/article/view/56383.