Nicharuch Panjaphothiwat และ Vichai Pruktharathikul. (2015) A study of the result of target behavior change by applied behavior based safety and protection motivation theory. Mahidol University:ม.ป.ท.Nicharuch Panjaphothiwat และ Vichai Pruktharathikul. 2015. A study of the result of target behavior change by applied behavior based safety and protection motivation theory. ม.ป.ท.:Mahidol University;Nicharuch Panjaphothiwat และ Vichai Pruktharathikul. A study of the result of target behavior change by applied behavior based safety and protection motivation theory. ม.ป.ท.:Mahidol University, 2015. Print.