Jacob, Walfredo B., <br/><br/>
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Walfredo B. Jacob, Luningning N. Cleofe, Ruth P. Robrigado 
 - Nabua, Camarines sur :  Camarines sur Polytechnic Colleges ;  2004. 
 - 89 leaves 
<br/><br/>Undergraduate Thesis - (BSIT) Information Technology