Bigay, Engelbert B., <br/><br/>
Grain dryer/ 
Engelbert B. Bigay, Gerald S. Casano, Ramon Florencio L. Panga Jr. 
 - Nabua, Camarines Sur ;  Camarines Sur Polytechnic Colleges ;  2010. 
 - 63 leaves. 
<br/><br/>Undergraduate Thesis (BSME) - Mechanical Engineering