Rini, Rini, et al. “Teacher Strategies in Independent Curriculum Management to Improving 21st-Century Competencies at SMPIT Madani Tanjung Redeb-Berau”. Bulletin of Pedagogical Research, vol. 5, no. 2, Sept. 2025, pp. 118-27, doi:10.51278/bpr.v5i2.2000.