The Impact of Urban Trees on Air Pollution in Kirkuk City: A Gaussian Dispersion Model Approach. NTU Journal of Engineering and Technology, [S. l.], v. 2, n. 4, 2023. DOI: 10.56286/ntujet.v2i4.602. Disponível em: https://journals.ntu.edu.iq/index.php/NTU-JET/article/view/602.. Acesso em: 16 apr. 2025.