“Prediction of Hourly Indoor Carbon Monoxide Concentrations in Semiarid Regions Using Regression and Feedforward Backpropagation As a Hybrid Model”. Palestine Technical College Journal for Research and Studies 5, no. 1 (September 30, 2018): 717–739. Accessed July 28, 2026. https://journals.ptcdb.edu.ps/index.php/PTCJRS/article/view/v5n1-22.