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and Productivity Growth. New York: Oxford university press, Inc. 8. Hennebel, V., Simper, R., & Verschelde, M. (2017). Is there a prison size dilemma? An empirical analysis of output-specific economies of scale. European Journal of Operational Research, 262(1), 306-321. 9. Livingston, M., Stewart, A., Allard, T., & Ogilvie, J. (2014). Understanding Juvenile Offending Trajectories. Australian and New Zealand Journal of Criminology, 41(3), 345-363. 10. National Statistical Office. (2019). The 2019 Household Socio-Economic Survey Whole Kingdom. Bangkok: National Statistical Office. 11. Office of Information Technology (2020). Survey of risks and the need for offense in 2019. Bangkok. 12. Shulman, E. P., & Steinberg, L. (2016). Human development and juvenile justice. In K. Heilbrun, D. D. Matteo, & N. E. S. Goldstein (Eds.), APA handbook of psychology and juvenile justice (pp. 69–90). Washington: American Psychological Association. 13. Tongpakdee, N. (2015). Public economics. Bangkok: Sam Lada Limited Partnership. 14. Turner, H. C., Toor, J., Hollingsworth, T. D., & Anderson, R. M. (2017). Economic Evaluations of Mass Drug Administration: The Importance of Economies of Scale and Scope. Clinical Infectious Diseases, November, 1-6. 15. UN. (1985). Standard Minimum Rules for the Administration of Juvenile Justice "The Beijing Rules". Retrieved from https://www.ohchr.org/ Documents/ProfessionalInterest/beijingrules 16. Washington State Institute for Public Policy. (2004). Outcome Evaluation of Washington State's Research-Based Programs for Juvenile Offenders. (04-01-1201). Olympia: Washington State Institute for Public Policy. 17. Weimer, D. L., Vining, A. R., & Thomas, R. K. (2007). Cost-Benefit Analysis Involving Addictive Goods: Using Contingent Valuation to Estimate Willingness to Pay to Eliminate Addiction. Retrieved from Wisconsin: http://www.lafollette.wisc.edu/publicat- ions/workingpapers. An Economic Evaluation of Thailand Juvenile Vocational Training Centers 1 Global Journal of Science Frontier Research Volume XXI Issue VI Year 2021 7 ( H ) © 2021 Global Journals Version I