A Self-Activated CNN Approach for Multi-Class Chest-Related COVID-19 Detection. - Rehman, Najam-ur; Zia, Muhammad Sultan; Meraj, Talha; Rauf, Hafiz Tayyab; Damaševičius, Robertas; El-Sherbeeny, Ahmed M.; El-Meligy, Mohammed A. (Applied Sciences (2076-3417), 2021)