Mohammadi, Delaram, Fathi Azar, Eskandar, Badri gargari, Rahim, Ebrahimi, Omid (2015) ‘Predicting academic procrastination based on utility value and intrinsic value of assignments among 10th grade high school students of Tabriz’, Journal of Instruction and Evaluation, 7(28), pp. 99-110. doi: