1 Table of Contents: “...Overview, Objectives, Principles, and State-of-the-Art of Natural-Based Wastewater Treatment...”

2 Table of Contents: “...: The State of the Art -- Importance of Forage Mixtures in Increasing Sustainable Food Supply in Egypt...”

3 Table of Contents: “...Overview, Objectives, Principles, and State-of-the-Art of Engineered-Based Wastewater Treatment...”

4 “.... Written by leading experts, it presents state-of-the-art insights and the latest research developments...”