Department of leadership and good governance;
Civil service University;
Addis Ababa;
Ethiopia;
Department of Chemistry;
Addis Ababa University;
Addis Ababa;
Ethiopia;
Department of Physics;
Worabe University;
Worabe;
Ethiopia;
Department of Space Science and Application Research and Development(SSARD);
Ethiopian Space Science and Technology Institute(ESSTI);
Addis Ababa University;
Addis Ababa;
Ethiopia;
Commercial Bank of Ethiopia; Customer satisfaction; Service quality dimensions; SERVQUAL model;