ISLAM, Aminul; HOSSAIN, Afifa. Effect of Verbal Reinforcement and Verbal Punishment on Performance. Bioresearch Communications, [S. l.], v. 10, n. 2, p. 1609–1611, 2024. DOI: 10.3329/brc.v10i2.74588. Disponível em: https://www.banglajol.info/index.php/BRC/article/view/74588. Acesso em: 9 sep. 2025.