THE ROLE OF RELATIONAL GOVERNANCE IN PUBLIC-PRIVATE PARTNERSHIPS SUSTAINABILITY PERFORMANCE: MEDIATING EFFECT OF COOPERATIVE BEHAVIOR AND MODERATING EFFECT OF ENVIRONMENTAL UNCERTAINTY. AJEAF [Internet]. 2026 Mar. 29 [cited 2026 Sep. 29];4(1):2044-55. Available from: https://ajeaf.com/index.php/Journal/article/view/445