“PENGARUH SISTEM PEMBELAJARAN HYBRID TERHADAP TINGKAT PEMAHAMAN MAHASISWA DI JURUSAN MATEMATIKA UNIVERSITAS BANGKA BELITUNG TAHUN AJARAN 2021/2022: THE INFLUENCE OF THE HYBRID LEARNING SYSTEM ON THE LEVEL OF UNDERSTANDING OF STUDENTS IN THE MATHEMATICS DEPARTMENT AT BANGKA BELITUNG UNIVERSITY FOR THE 2021/2022 ACADEMIC YEAR” (2023) Fraction: Jurnal Teori dan Terapan Matematika, 3(2), pp. 71–79. doi:10.33019/fraction.v3i2.49.