HERGHELEGIU, M.-C., & PĂNESCU, V.-A. (2023). Occurrence, and sources of persistent organic pollutants in upper urban soil of Cluj-Napoca, Romania. Studia Universitatis Babeș-Bolyai Ambientum, 67(1-2), 55–74. https://doi.org/10.24193/subbambientum.2022.04