Seifabad, Omran Kohzadi, Development of causal models for organizing and improving the walkway in the city centre of Yasuj, Iran / Omran Kohzadi Seifabad. - xxiii, 498 pages : illustrations ; 30 cm. Thesis (Ph.D.) - Universiti Kebangsaan Malaysia, 2014. References : pages 352-380. Subjects--Corporate Names: Universiti Kebangsaan Malaysia--Dissertations. Subjects--Topical Terms: Dissertations, Academic--Malaysia.Trails--Iran.