Front Matter -- Big Changes in Global Food Security and the Issue of Development -- Agri-environmental Frugal Innovation and Sustainable Development -- The National Innovation System as Applied to Agriculture -- Adoption of Rice Technological Innovations for Technical Efficiency in Senegal -- Characterization of the Sectoral Cocoa Innovation System in Cameroon -- Valorization of the Date Industry in Tunisia by Combining "Modern" and "Traditional" Knowledge and Techniques -- Technology, Innovation and Sustainability of the Soybean Chain -- Impact of Good Agricultural Practices on Cashew Nut Crop Yields in Senegal -- Bioeconomy and Sustainable Conservation of Plants and Forests in Madagascar -- Bricolage in Agriculture Sector -- The Contribution of Food Hubs in the Digital Age to the Sustainable Agri-food Transition -- Total Processing of Soy Glycine max through Valorization of the Tofu Whey into Cosmetic Products -- List of Authors -- Index -- Other titles from ISTE in Innovation, Entrepreneurship and Management