Nicdao, R. F., & Koo, G. S. (2014). Positive discipline: Effects on psychological and cognitive engagement and classroom social environment. College of Education, University of the Philippines Diliman.
Chicago-referens (17:e uppl.)Nicdao, Rhodora F., och Grace S. Koo. Positive Discipline: Effects on Psychological and Cognitive Engagement and Classroom Social Environment. Quezon City: College of Education, University of the Philippines Diliman, 2014.
MLA-referens (9:e uppl.)Nicdao, Rhodora F., och Grace S. Koo. Positive Discipline: Effects on Psychological and Cognitive Engagement and Classroom Social Environment. College of Education, University of the Philippines Diliman, 2014.
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