Effects of quotas on Turkish foreign trade: A gravity model

Autor: Ülengin, Füsun a, ⁎, Çekyay, Bora b, Toktaş Palut, Peral b, Ülengin, Burç c, Kabak, Özgür d, Özaydın, Özay b, Önsel Ekici, Şule b
Zdroj: In Transport Policy February 2015 38:1-7
Databáze: ScienceDirect