Vallen, Gary K. Check-in check-out : managing hotel operations / Gary K. Vallen, Jerome J. Vallen - 9th ed. - Harlow, England : Pearson Education, c2014. - ii, 436 pages : colour illustrations, map ; 28 cm. ISBN: 9781292021102 (pbk.) Subjects--Topical Terms: Motel management.Hotel management. Dewey Class. No.: 647.94068 / VAL 2014