Alava, Maria Divina G. and Villarama, Maria Isabel A. (1976) The effect of experimenter sex on the reinforcement of college students. Undergraduate thesis, De La Salle University-Dasmariñas.
Fernando, Carmen R. (1976) The effect of reinforcement on the motoe performance of children in kinder, Grade I and Grade II. Undergraduate thesis, De La Salle University-Dasmariñas.