Totoni (Lilo), Raimonda, Luela Prifti, and Edlira F. Mulla. 2012. “Particulate Matter Pollution: A Continuing Problem in Tirana’s Air Quality: Status and Trends”. Asian Journal of Chemistry 24 (6):2674-78. https://asianpubs.org/index.php/ajchem/article/view/9199.