KRISNA SUJAYA. Behavioral Contract Techniques to Increase Learning Motivation During covid-19. Journal for ReAttach Therapy and Developmental Diversities, [S. l.], v. 6, n. 5s, p. 588–609, 2023. DOI: 10.67145/jrtdd.v6i5s.612. Disponível em: https://jrtdd.com/index.php/journal/article/view/612. Acesso em: 3 oct. 2026.