Sales forecasting model of the private branch exchange system

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Guilaran, Alfonso P. (Údar)
Rannpháirtithe:	Clemente, Dominador A., Jr (adviser.)
Formáid:	Tráchtas
Teanga:	English
Ábhair:	Telephone > Private branch exchanges. Sales forecasting.