Momiroski และ Toni. (2009) Knowing and acting in the environment : the relationship between knowledge, beliefs and actions in environmental students and alumni. Mahidol University,:ม.ป.ท.Momiroski และ Toni. 2009. Knowing and acting in the environment : the relationship between knowledge, beliefs and actions in environmental students and alumni. ม.ป.ท.:Mahidol University,;Momiroski และ Toni. Knowing and acting in the environment : the relationship between knowledge, beliefs and actions in environmental students and alumni. ม.ป.ท.:Mahidol University, 2009. Print.