Nadal, Frederick T.,
Strength of building bricks made of rice hull ash and red clay/
Frederick T. Naval, Daryl N. Serdiǫ, Anselmo C. Villarico
- Nabua, Camarines Sur : Camarines Sur Polytechnic Colleges ; 2004.
- 61 leaves.
Undergraduate Thesis (BSCE) - Civil Engineering