Investigación Educativa: Didáctica de la Matemática, Didáctica De La Lengua y La Literatura, Didáctica De La Expresión Musical

European small and medium-sized enterprises (SMEs) are developing a more environment-friendly and energy-efficient way of treating sewage sludge. This will help solve the challenge of how to deal with growing levels of sewage sludge in the face of increasingly stringent environmental legislation.