Dr.Sahar Hassona Hassan El-Khalafy

Professor of Physical Organic Chemistry

Tanta University, Faculty of Science, Department of Chemistry, Tanta, P.O. 31527. EGYPT.

Tel. (work) +2-040 334 4352 Ext. 525

Tel. (mobile) +2-01007276665

Fax: +2-040 335 0804

E-mail: sehar_hasouna@science.tanta.edu.eg