RESOURCE CONSTRAINTS AND EMPLOYEE FRUGAL INNOVATION BEHAVIOR: THE MEDIATING ROLE OF CREATIVE SELF-EFFICACY AND THE MODERATING ROLE OF ENTREPRENEURIAL LEADERSHIP. International Journal of Social Sciences Bulletin, [S. l.], v. 3, n. 9, p. 469–480, 2025. Disponível em: https://ijssbulletin.com/index.php/IJSSB/article/view/1233.. Acesso em: 12 nov. 2026.