Lao, Nicodemus O. and Villanueva, Meliondras V. (2002) Cocodiesel as 100 % petroleum diesel substitute for fuel sector especially to any diesel engine to reduce environmental degradation. Undergraduate thesis, De La Salle University-Dasmariñas.
Lao, Nicodemus O. and Villanueva, Meliondras V. (2001) A study on minimization of marking machine breakdown. Undergraduate thesis, De La Salle University-Dasmariñas.