Jeeranan Kantasorn และ Sudsabuy Chulakadabba. (2014) The relationship between psychological capital and leadership in high school student, Samsenwittayali school. Mahidol University:ม.ป.ท.Jeeranan Kantasorn และ Sudsabuy Chulakadabba. 2014. The relationship between psychological capital and leadership in high school student, Samsenwittayali school. ม.ป.ท.:Mahidol University;Jeeranan Kantasorn และ Sudsabuy Chulakadabba. The relationship between psychological capital and leadership in high school student, Samsenwittayali school. ม.ป.ท.:Mahidol University, 2014. Print.