00662nam a22001817a 4500 62666 62666 WUSLLib 220808b ||||| |||| 00| 0 eng d English 027 PGDBM Gunawardana, A.P. 23251 Assessment of factors influencing customer satisfaction upon operational services: with special reference to national water supply and drainage board Kuliyapitiya: Wayamba University of Sri Lanka, 2007 iv, 94p.; 30cm. Service gaps 23252 National water suppy & drainage board 23253 Customer satisfaction 386 ddc TH 0 0 ddc 0 0 THE MAIN MAIN REF 2022-08-08 0 027 PGDBM 35002 2022-08-08 00:00:00 2022-08-08 TH