U. F. Handayani, ‘KEMAMPUAN REPRESENTASI MATEMATIS SISWA SMP NU SUNAN AMPEL DALAM MENYELESAIKAN MASALAH KONTEKSTUAL GEOMETRI [MATHEMATICS REPRESENTATION ABILITY OF NU SUNAN AMPEL JUNIOR HIGH SCHOOL STUDENTS IN SOLVING GEOMETRY CONTEXTUAL PROBLEMS]’, JOHME, vol. 6, nr. 1, pp. 74–89, jun. 2022.