Balderas, Julius G., <br/><br/>
A proposed model for manually operated rugged pants corrugator/ 
Julius G. Balderas, George N. Duque 
 - Nabua, Camarines Sur :  Camarines Sur Polytechnic Colleges ;  1999. 
 - 37 leaves. 
<br/><br/>Undergraduate Thesis (BSME) - Mechanical Engineering