Arigo, A. R., Cortes Jr., V. S., De Guzman, R. J. L., De Leon, R. N., Ligon, R. A. V., & Piagata, R. R. (1998). A production/operations management study on General Electric Philippines Meters and Instruments Co., Inc. College of Engineering.

Arigo, Agnes R., Vincent S. Cortes Jr., Rhedd Jorge L. De Guzman, Ricci N. De Leon, Ronald Anthony V. Ligon, and Rheanne R. Piagata. A Production/operations Management Study on General Electric Philippines Meters and Instruments Co., Inc. Diliman, Quezon City: College of Engineering, 1998.

Arigo, Agnes R., et al. A Production/operations Management Study on General Electric Philippines Meters and Instruments Co., Inc. College of Engineering, 1998.