THEORETICAL INVESTIGATION OF OPTICAL PROPERTIES OF ADDUCTS OF Aun AND Cun (n = 1-3) WITH FREE BASE PORPHYRINS. - Sepahvandian, Mozhgan; Abd Al-Aama, Zahraa M.; Al-Masoudi, Hanan Q.; Zabardasti, Abedien (Bulletin of the Chemical Society of Ethiopia, 2025)