TY - CPAPER AU - Anita Csiba AU - Árpád Ferencz TI - THE COSTS AND RATE OF RETURN CALCULATION OF THE NEW ESTABLISHED PIG AND POULTRY MANURE FERMENTATION PLANT T2 - SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd International Multidisciplinary Scientific GeoConference Proceedings SGEM 2023, Energy and Clean Technologies, Vol 23, Issue 4.2 PY - 2023 SP - 95 EP - 104 DO - 10.5593/sgem2023v/4.2/s18.12 PB - STEF92 Technology ER -