ZAHID, L.; CHEEMA, A. U. An Investigation of the Impact of Positive and Negative Reinforcement in Motivating Student’s Learning. Pakistan Languages and Humanities Review, Gujranwala, Pakistan, v. 7, n. 2, p. 913–923, 2023. DOI: 10.47205/plhr.2023(7-II)81. Disponível em: https://ojs.plhr.org.pk/journal/article/view/833. Acesso em: 23 nov. 2024.