Learning Disorder in Attention Deficit Hyperactivity Disorder (ADHD) Children: A Literature Review Qoyyum Nadaa Yusriyyah1, Afifur Rafi Hilmi Aziz1, Yunias Setiawati2,5*, Dianasari2,4, Vista Nurasti Pradanita6, I Gusti Ayu Indah Ardani1,3 Abstract Introduction: Attention Deficit Hyperactivity Disorder (ADHD) can cause many problems in children. The main symptoms of ADHD such as