Sales forecasting model of the private branch exchange system

ग्रंथसूची विवरण
मुख्य लेखक:	Guilaran, Alfonso P. (लेखक)
अन्य लेखक:	Clemente, Dominador A., Jr (adviser.)
स्वरूप:	थीसिस
भाषा:	English
विषय:	Telephone > Private branch exchanges. Sales forecasting.