1.		Segmenting wine tourists on the basis of involvement with wine / Athina Nella, Evangelos Christou Autor: Nella, Athina Coautor: ; Christou, Evangelos
2.		Enhancing competitiveness in the hospitality industry: revisiting Porter's generic competitive strategies in Greece / Evangelous Christou, Ioannis Karamanidis Autor: Christou, Evangelos Coautor: ; Karamanidis, Ioannis