 Yalcinkaya Sen Zonguldak nwanna anyị, anyị president na anyị ọzọ Regional Isi nke Trade ịlụ president ga-aba obi abụọ ọ bụla na ndị a ibiere.  Zonguldak ógbè na mba anyị anyị president . . 
 Yalcinkaya Sen Zonguldak nwanna anyi, anyi president na anyi ozo Regional Isi nke Trade ilu president ga-aba obi abuo o bula na ndi a ibiere.  Zonguldak ogbe na mba anyi anyi president . . 