FACTOR ANALYSIS OF LEARNING DIFFICULTIES IN MATHEMATICS FOR GRADE 5 FRACTION CALCULATION MATERIAL Journal title: Transpublika International Research in Exact Sciences (TIRES) Authors: Een Unaenah*, Cahya Wulandari, Yufaida Nurzahro, Zahra Aulya Subject(s): Biological Sciences, Chemistry, Engineering, Mathematics, Medicine, Physics, Biomedicine, Pharmaceutical science - Pharmaceutical science - Pharmacology