Ferrer, Katherine M. (2006) A study on eliminating the rejection rate of manufacturing television casing at Chin Su (Philippines) Company, Inc. Undergraduate thesis, De La Salle University-Dasmariñas.

Perocho, Ann V. and Ferrer, Katherine M. and Ramirez, Rochelle L. (2005) A study on minimizing the 3.78 percent loss in manufacturing Metformin tablets at Sydenham Laboratories, Inc. Undergraduate thesis, De La Salle University-Dasmariñas.

Perocho, Ann V. and Ferrer, Katherine M. and Ramirez, Rochelle L. (2005) A study on minimizing the 3.78 percent loss in manufacturing Metformin tablets at Sydenham Laboratories, Inc. Undergraduate thesis, De La Salle University-Dasmariñas.