PIRADE, S.; MANURUNG, T.; TITALEY, J. Integral Riemann-Stieltjes Pada Fungsi Bernilai Real. d’Cartesian, [S. l.], v. 6, n. 1, p. 1–7, 2017. DOI: 10.35799/dc.6.1.2017.14987. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/decartesian/article/view/14987. Acesso em: 10 may. 2024.