1 Table of Contents: “... refinery sludge -- Chapter 8 Waste Management in COVID-19 Pandemic -- Chapter 9 Circular cement...”

2 Table of Contents: “...Identifying Factors Associated with COVID-19 All-Cause 90-Day Readmission: Machine Learning...”

3 Table of Contents: “...-Sánchez, Javier Bueno-Antequera. (Universidad Pablo de Olavide, Seville, Spain) -- 5. Covid-19 Lessons...”

4 Table of Contents: “... of Neuroinfectious Disease? -- Chapter 8. Application of Artificial Intelligence in NeuroCovid-19 -- Chapter 9...”

5 Table of Contents: “... for the diagnosis of Pre- and Post-COVID-19 phases -- Chapter 20. Current status and future strategy in crop...”