Preedawon Kadmateekarun, Phayung Meesad and Sumitra Nuanmeesri
Journal of Engineering and Applied Sciences 12 ( 2 ): 397 - 403 , 2017
Sumitra Nuanmeesri, Preedawon Kadmateekarun and Lap Poomhiran
The Social Sciences 11 ( 14 ): 3563 - 3568 , 2016