Silalahi DE. The Effect of Using Mind Mapping Technique in Writing Descriptive Text at the First Year Students of SMA Negeri 4 Pematangsiantar. JETAFL [Internet]. 2016Jun.30 [cited 2024May19];2(1):1-6. Available from: https://ejournal.uhn.ac.id/index.php/jetafl/article/view/156