ARUWIYANTOKO, A. The Effectiveness of the Concept Mapping Technique in Improving the Competence of Writing Expository Essays for High School Students. Pedagogika: Jurnal Ilmu-Ilmu Kependidikan, [S. l.], v. 1, n. 2, p. 35–40, 2021. DOI: 10.57251/ped.v1i2.136. Disponível em: https://jurnal.medanresourcecenter.org/index.php/PED/article/view/136. Acesso em: 9 feb. 2025.