Castro, John Dave (2002) Workplace improvement to eliminate workers discomfort at Liwayway Marketing Corporation. Undergraduate thesis, De La Salle University-Dasmariñas.
Castro, John Dave and Begnalen, Christian (2002) The constrained layer damping using polymers to be used in reducing noise and vibration produce by machines in machine shops. Undergraduate thesis, De La Salle University-Dasmariñas.