Umar, Umar, and Wahyuddi Daud. “The Use Of ‘Problem Posing Model’ To Enhance Students’ Grammar Ability At The Second Grade Of Senior High School 1 Wawotobi”. Jurnal Pendidikan dan Konseling (JPDK) 4, no. 5 (September 6, 2022): 438–443. Accessed November 22, 2024. http://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/6627.