Silalahi, B.F.B., Napitupulu, S. and Hutauruk, B.S. 2026. The effect of graphic organizer strategy on students’ reading comprehension of grade eleventh of SMA YP HKBP 1 Pematangsiantar. Indonesian Journal Education. 5, 1 (Feb. 2026), 131–137. DOI:https://doi.org/10.56495/ije.v5i1.1541.