Approach for Modelling Anaerobic Digestion Processes of Fish Waste / Kaspars Ivanovs, Kriss Spalvins, Dagnija Blumberga. Low Temperature BMP Tests Using Fish Waste from Invasive Round Goby of the Baltic Sea / A. Gruduls, K. Balina, K. Ivanovs, F. Romagnoli. Extraction of Fish Oil Using Green Extraction Methods: a Short Review / Kaspars Ivanovs, Dagnija Blumberga. Use of Round Goby (Neogobius Melanostomus) Processing Waste in Bioeconomy / Maira Melvere, Kaspars Ivanovs, Jelena Pubule, Dagnija Blumberga. Comprehensive Literature Review on Valuable Compounds and Extraction Technologies: The Eastern Baltic Sea Seaweeds / Karīna Bāliņa, Kaspars Ivanovs, Francesco Romagnoli, Dagnija Blumberga. Evaluation of Reed Biomass Use for Manufacturing Products, Taking into Account Environmental Protection Requirements / I. Muižniece, V. Kazulis, L. Žihare, L. Lupkina, K. Ivanovs, D. Blumberga. Plug flow digester with assisted solar heat: feasibility of small-scale system / K. Ivanovs, D. Blumberga.