Hyun-Kyu Kang, Development of Logic Model for R&D Program Plan Analysis in Preliminary Feasibility Study. journal = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology. October 2013, vol. 81(9). 2613 - 2616 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/16867.