Vučetić, Ante, Vjekoslav Sraga, Boris Bućan, Krunoslav Ormuž, Goran Šagi, Petar Ilinčić, and Zoran Lulić. 2022. “Real Driving Emission from Vehicle Fuelled by Petrol and Liquefied Petroleum Gas (LPG)”. Cognitive Sustainability 1 (4). https://doi.org/10.55343/cogsust.38.