Raik Stolletz

Raik Stolletz

2 ספרים במאגר

ספרים

Performance analysis and optimization of inbound call centersRaik Stolletz

Performance analysis and optimization of inbound call centers

Raik Stolletz · 2012

Call Center Management in der PraxisRaik Stolletz

Call Center Management in der Praxis

Raik Stolletz · 2004