Teerawach Khamkorn and Laongtip Mathurasa and Savittree Rochanasmita Arnold and Witthaya Mekhum, A Study of the Problems and Demands of Community Leaders- Training in the Upper Northeastern Region. journal = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology. December 2012, vol. 72(12). 3577 - 3580 [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/15718.