Rahmatulloh, Rahmatulloh, et al. “Implementation of Differentiated Instruction in Mathematics Learning to Increase Student Engagement at SMAN 1 Indramayu”. Mathline : Jurnal Matematika Dan Pendidikan Matematika, vol. 11, no. 1, Feb. 2026, pp. 117-30, doi:10.31943/mathline.v11i1.1055.