Goat Manure Potential as a Substrate for Biomethane Production—An Experiment for Photofermentation oleh Jakub T. Hołaj-Krzak, Anita Konieczna, Kinga Borek, Dorota Gryszkiewicz-Zalega, Ewa Sitko, Marek Urbaniak, Barbara Dybek, Dorota Anders, Jan Szymenderski, Adam Koniuszy, Grzegorz Wałowski