COVID-19 Severity Prediction Using Enhanced Whale with Salp Swarm Feature Classification Autori: Nebojsa Budimirovic, E. Prabhu, Miloš Antonijević, Miodrag Živković, Nebojša Bačanin Džakula, Ivana Štrumberger, K. Venkatachalam Časopis: CMC - Computers, Materials & Continua DOI: 10.32604/cmc.2022.023418