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aromatic stability III https://www.khanacademy.org/science/organic-chemistry/aromatic-compounds/aromatic-stability/v/aromatic-stability-iii ---------------------------------- يتناول هذا الفيديو حل امثلة حول الاستقرار العطري والمعايير التي تؤثر عليه ---------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org