Yan, Biwei <br/><br/>
Influential factors of employees' productivity as perceived by the management and rank and file employees of selected Acebedo Optical Centers in Metro Manila :   a basis for an organizational productivity model 
Biwei Yan 
 - Manila  Colegio de San Juan de Letran  2010 
 - xx, 178p. 
<br/><br/>Doctor Business Administration 
<br/><br/><label>LC Class. No.: </label>CD-01398t