“IMPROVING STUDENTS’ ABILITY IN WRITING PROCEDURE TEXT THROUGH MIND MAPPING TECHNIQUE USING PICTURE SERIES AT CLASS XI OF SMKN 1 KAMIPANG”. Journal Compound : Improving the Quality of English Education, vol. 8, no. 2, Feb. 2021, pp. 112-20, https://e-journal.upr.ac.id/index.php/JCP/article/view/2438.