“ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL LUAS BANGUN DATAR BERORIENTASI PADA KEMAMPUAN BERPIKIR TINGKAT TINGGI: ANALYSIS OF STUDENTS’ ERROR IN SOLVING AREA OF FLAT BUILDINGS ORIENTED ON HIGH LEVEL THINKING ABILITY” (2021) Abacus: Academic Journal of Mathematics Learning and Education, 2(01), pp. 68–77. doi:10.59605/abacus.v2i01.161.