Variant Configuration and CPQ in Complex Service Quotations and Contracts. International Journal of Computer Technology and Electronics Communication, [S. l.], v. 9, n. Issue 1, p. 61–68, 2026. DOI: 10.15680/IJCTECE.2026.0901010. Disponível em: https://ijctece.com/index.php/IJCTEC/article/view/456. Acesso em: 19 feb. 2026.