THE ROLE OF RELATIONAL GOVERNANCE IN PUBLIC-PRIVATE PARTNERSHIPS SUSTAINABILITY PERFORMANCE: MEDIATING EFFECT OF COOPERATIVE BEHAVIOR AND MODERATING EFFECT OF ENVIRONMENTAL UNCERTAINTY. Advance Journal of Econometrics and Finance, [S. l.], v. 4, n. 1, p. 2044–2055, 2026. DOI: 10.63075/6jnw1095. Disponível em: https://ajeaf.com/index.php/Journal/article/view/445. Acesso em: 29 sep. 2026.