TY  - BOOK
AU  - Gunawardana, A.P. 
TI  - Assessment of factors influencing customer satisfaction upon operational services: with special reference to national water supply and drainage board 
U1  - 027 
PY  - 2007///
CY  - Kuliyapitiya
PB  - Wayamba University of Sri Lanka, 
KW  - Service gaps
KW  - National water suppy & drainage board
KW  - Customer satisfaction
ER  -