Cheung, E., Sy, J., Sy, R., Tan, N., & Cheng, G. (1991). A Feasibility study on the establishment of a common service facility for heat treatment in Apalit, Pampanga. Department of Industrial Engineering and Operations Research, College of Engineering, University of the Philippines.
Cita Chicago (17th ed.)Cheung, Edison, Jeaneth Sy, Roger Sy, Nelson Tan, i Grace Cheng. A Feasibility Study on the Establishment of a Common Service Facility for Heat Treatment in Apalit, Pampanga. Quezon City: Department of Industrial Engineering and Operations Research, College of Engineering, University of the Philippines, 1991.
Cita MLA (9th ed.)Cheung, Edison, et al. A Feasibility Study on the Establishment of a Common Service Facility for Heat Treatment in Apalit, Pampanga. Department of Industrial Engineering and Operations Research, College of Engineering, University of the Philippines, 1991.