Diagnosis of learning difficulties in mathematics for students resolving problems related to material in the pythagorean theorem for 8th grade students in SMP 1 Todanan and SMP Muhammadiyah 9 Todanan, academic year 2018/2019 - Puspitarani; Retnawati, H (Journal of physics. Conference series, 2020)
Keywords: Descriptive research; Diagnostic systems; Diagnostic tests; Mathematical analysis; Physics; Problem solving; Questions; Students; Theorems