1.
Setiawan YE. Analisis Kesalahan Mahasiswa Semester Pertama dalam Menentukan Nilai Fungsi Trigonometri Sudut Istimewa. supremum j of mathematics education [Internet]. 2021Jan.29 [cited 2024Nov.22];5(1). Available from: https://journal.unsika.ac.id/supremum/article/view/4531