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Bayu, Cindivia Putri and YOHANIE, DIAN DEVITA and HANDAYANI, APRILIA DWI (2022) ANALISIS KESALAHAN SISWA BERDASARKAN KRITERIA WATSON DALAM PENYELESAIAN SOAL PERBANDINGAN TRIGONOMETRI SEGITIGA SIKU – SIKU. Undergraduate thesis, Universitas Nusantara PGRI Kediri.
Bayu, Cindivia Putri and YOHANIE, DIAN DEVITA and HANDAYANI, APRILIA DWI (2021) ANALYSIS OF STUDENT ERRORS IN SOLVING COMPARATIVE TRIGONOMETRY PROBLEMS OF RIGHT-ANGLED TRIANGLES BASED ON WATSON'S CRITERIA. Jurnal Math Educator Nusantara, 7 (2). pp. 161-171. ISSN 2459-9735