Ersan Durgut, Tüm Kalkınma İş Adamları ve Girişimciler Derneği (TUMKIAD) President of Commissions & the owner of Enem Global Building Materials Foreign Trade Co. Ltd., was a guest at the “Principles of Marketing” lesson, which is given to students of the Department of International Trade and Finance and Department of Entrepreneurship by Lecturer Dr. Meri Taksi Deveciyan, on Wednesday, October 12, 2022.