Assaf, A. George Non-parametric regression for hypothesis testing in hospitality and tourism research / A. George Assaf and Mike Tsionas. - Amsterdam : Elsevier, ŠJanuary 2019. - v 76PA, pages 43-47 : illustrations. Subjects--Topical Terms: Operation research.Hospitality industry.Tourist trade. Dewey Class. No.: DPer 910.46 T156 2019 v76PA-76PB