- Cosmetology Meeting-1, Skin aging and Cosmetics’, 3 June 1996, Ankara
- Cosmetology Meeting-2,Quality Assurance and Quality Control in cosmetics, 3 June1997, Ankara
- Alternatives 2007-Workshop on Alternative Methods (Reduction, Refinement, Replacement) to Animal Tests (12-13 November 2007, Ankara), H.U. Turkish Society of Pharmacology and the European Commission, JRC, IHCP, ECVAM . Local Organizing Committee: Prof. Dr. H. Orer, Prof. Dr. A. Dağdeviren, Prof. Dr. S. Hekimoğlu, Prof. Dr. B. Gümüşel, Dr. İ. Onbaşılar
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