EVALUASI FASILITAS TOILET DI GEDUNG BABEL IV UNIVERSITAS BANGKA BELITUNG: EVALUATION OF TOILET FACILITIES AT THE BABEL IV BUILDING BANGKA BELITUNG UNIVERSITY. Fraction: Jurnal Teori dan Terapan Matematika, [S. l.], v. 1, n. 1, p. 10–17, 2021. DOI: 10.33019/fraction.v1i1.2. Disponível em: https://update.fraction.ubb.ac.id/index.php/fraction/article/view/2. Acesso em: 20 apr. 2026.