1. College of Education, Cebu Technological University, Corner M. J. Cuenco Ave. & R. Palma St., Cebu City 6000, Philippines
2. College of Technology, Cebu Technological University, Corner M. J. Cuenco Ave. & R. Palma St., Cebu City 6000, Philippines
3. College of Technology, Carmen Campus, Cebu Technological University, R. M. Durano Avenue, Cebu 6005, Philippines
4. Center for Applied Mathematics and Operations Research, Cebu Technological University, Corner M. J. Cuenco Ave. & R. Palma St., Cebu City 6000, Philippines
5. Department of Industrial Engineering and Operations Research, University of the Philippines Diliman, Quezon City 1101, Philippines
6. Department of Business Administration, University of San Carlos, P. del Rosario St., Cebu City 6000, Philippines
7. Department of Tourism Management, Cebu Technological University, Corner M. J. Cuenco Ave. & R. Palma St., Cebu City 6000, Philippines