Lubis, A.; Firmansyah, F.; Lubis, N.; Ferbriansyah, M.; Mahmud, H. . Enhancing Teachers’ Pedagogical Quality through STEAM–Heritage Learning: The Dalium Project-Based Learning Syntax for Portfolio-Based Assessment of Science Collaboration, Civic Engagement, and Public Communication. jpii 2026, 15 (2). https://doi.org/10.15294/jpii.v15i2.42975.