Pornpen Somaboot and Buapun Promphakping
Research Journal of Applied Sciences 12 ( 5 ): 343 - 351 , 2017
Buapun Promphakping, Nopparat Rattanaprathum, Pornpen Somaboot, Ninlawadee Promphakping and Pattaraporn Weeranakin
The Social Sciences 12 ( 10 ): 1854 - 1859 , 2017
Pornpen Somaboot and Buapun Promphakping
The Social Sciences 13 ( 2 ): 434 - 441 , 2018