Hum, Gustianingsih M., Elmeida Effendi, y Ali Ali. 2020. «Reading, Writing, and Learning Disorders in Dyslexic Patients in Pematang Siantar City». Utopía Y Praxis Latinoamericana 25 (1), 127-36. https://www.produccioncientificaluz.org/index.php/utopia/article/view/31824.