Estimating the Cost of Car Warranty in Indonesia using the Gertsbakh-Kordonsky Method. InPrime: Indonesian Journal of Pure and Applied Mathematics, [S. l.], v. 2, n. 1, p. 33–40, 2020. DOI: 10.15408/inprime.v2i1.14556. Disponível em: https://journal.uinjkt.ac.id/inprime/article/view/14556. Acesso em: 19 nov. 2025.