Borromeo, Thommy V., <br/><br/>
Development of eco-friendly waterproof doorway stopple 
Thommy C. Borromeo, Rose Ann S. Lagatic, Joseph E. Monte, Loren C,. Monte, Herminia A. Vasquez 
 - Nabua, Camarines Sur :  Camarines Sur Polytechnic Colleges ;  2021. 
 - 113 leaves 
<br/><br/>Undergraduate Thesis (BSCE) - Civil Engineering