Chanchai Yothayai. 2010. Development of instruments for measuring safe motorcycle driving behaviors and expected influencing factors among Thai adolescents in an ecological context. Faculty of Nursing, Chiang Mai University;
Chanchai Yothayai. (2010) Development of instruments for measuring safe motorcycle driving behaviors and expected influencing factors among Thai adolescents in an ecological context . Chiang Mai University/Chiang Mai.
Chanchai Yothayai. Development of instruments for measuring safe motorcycle driving behaviors and expected influencing factors among Thai adolescents in an ecological context. . Chiang Mai:Chiang Mai University, 2010.
Chanchai Yothayai. (2010) Development of instruments for measuring safe motorcycle driving behaviors and expected influencing factors among Thai adolescents in an ecological context . Chiang Mai University/Chiang Mai.