Silalahi, B. F. B., Napitupulu, S., & 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), 131–137. https://doi.org/10.56495/ije.v5i1.1541