Seneviratna, S.M.S. Impact of service quality dimentions on customer satisfaction: with special reference to the services offered by National Water Supply & Drainage Board - Kuliyapitiya: Wayamba University of Sri Lanka, 2016 - 119p.; 30cm Subjects--Topical Terms: Customer satisfaction Service quality NWS&DB Dewey Class. No.: 234 / PGDBM