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Abdelal, Gehad Mohamed Abdelal Abdelrahman (2018) The Problem of Ethical Obligation Toward the Environment in The Developing Countries, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Philosophy, science, cognition, and semiotics (pscs), 30 Ciclo. DOI 10.6092/unibo/amsdottorato/8324.