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), 10-17. https://doi.org/10.33019/fraction.v1i1.2