Ong, P. Y. (1987). The effects of positive reinforcement and punishment on upper primary pupil's disruptive behaviour and their perceptions of the classroom environment.
Chicago Style (17th ed.) CitationOng, Pheng Yen. The Effects of Positive Reinforcement and Punishment on Upper Primary Pupil's Disruptive Behaviour and Their Perceptions of the Classroom Environment. 1987.
MLA引文Ong, Pheng Yen. The Effects of Positive Reinforcement and Punishment on Upper Primary Pupil's Disruptive Behaviour and Their Perceptions of the Classroom Environment. 1987.
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