NINGTYAS, Ajeng Purwati. MEDIATING ROLE OF COLLABORATION COMPETENCE IN PROJECT-BASED LEARNING AND PROBLEM SOLVING. ECOTECHNOPRENEUR : Journal Economics, Technology And Entrepreneur, [S. l.], v. 5, n. 2, p. 202–222, 2026. DOI: 10.62668/ecotechnopreneur.v5i2.2804. Disponível em: https://azramedia-indonesia.azramediaindonesia.com/index.php/ecotechnopreneur/article/view/2804. Acesso em: 30 aug. 2026.