1.		The multiplier impact of tourism in the Okanagan / Turgut Var, Jojo Quayson Autor: Var, Turgut Coautor: ; Quayson, Jojo
2.		Tourism multipliers revisited / Juanita C. Liu, Jojo Quayson, Turgut Var Autor: Liu, Juanita C. Data Publicação: 1982 Coautor: Quayson, Jojo Var, Turgut