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. 1974 Dec;66(6):872-9.
doi: 10.1037/h0021530.

Effect of two free-time reinforcement procedures on academic performance in a class of behavior problem children

D Marholin 2nd, E T McInnis, T B Heads

Effect of two free-time reinforcement procedures on academic performance in a class of behavior problem children

D Marholin 2nd et al. J Educ Psychol. 1974 Dec.
No abstract available

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