Smart Cities-Based Improving Atmospheric Particulate Matters Prediction Using Chi-Square Feature Selection Methods by Employing Machine Learning Techniques. - Hanan Abdullah Mengash; Lal Hussain; Hany Mahgoub; A. Al-Qarafi; Mohamed K. Nour; Radwa Marzouk; Shahzad Ahmad Qureshi; Anwer Mustafa Hilal (Appl. Artif. Intell., 2022)