Acob, Erick J. <br/><br/>
PLC-based parking lot monitoring system / 
Erick J. Acob, Aries R. Armononce, Bueno, Joseph M. [et al.] 
 - City of Batac :  MMSU,   2011 
 - xviii, [52] leaves   28 cm.  
<br/><br/> Thesis (BS in Electronics & Communications Engineering) -- Mariano Marcos State University-College of Engineering, City of Batac, 2011. 
<br/><br/>Bibliography: leaf 43