Mely Christi Sihotang, Mungkap Mangapul Siahaan, and Melda Veby Ristella Munthe. “The Effect Of Photography Media On Students’ Writing Ability In Hortatory Exposition Text At Grade Eleven Of SMK GKPI 1 Pematang Siantar”. Jurnal Ilmu Pendidikan dan Sosial 2, no. 3 (October 30, 2023): 403–413. Accessed May 17, 2026. http://putrapublisher.org/index.php/jipsi/article/view/448.