Sitepu, E., and Sharon Salsalina G Munthe. “Internalization of Gotong Royong Values through a Social Project-Based Learning Model to Enhance Social Intelligence and Tolerance of Students in Multicultural Junior High Schools”. International Journal of Educational Research Excellence (IJEREC), vol. 6, no. 1, July 2026, pp. 578-86, doi:10.55299/ijere.v6i1.2002.