“EVALUASI FASILITAS TOILET DI GEDUNG BABEL IV UNIVERSITAS BANGKA BELITUNG: EVALUATION OF TOILET FACILITIES AT THE BABEL IV BUILDING BANGKA BELITUNG UNIVERSITY” (2021) Fraction: Jurnal Teori dan Terapan Matematika, 1(1), pp. 10–17. doi:10.33019/fraction.v1i1.2.