Puccio, D. and Raimondi, S. (2017) “THE ENVIROMENTAL PROBLEMS OF THE PIANA DEL SIGNORE (GELA, SICILY) FOR A CORRECT AGRONOMIC, CULTURAL AND LANDSCAPE UPGRADING AND ENHANCEMENT OF THE AREA”, EQA - International Journal of Environmental Quality, 25, pp. 19–32. doi: 10.6092/issn.2281-4485/7309.