The effect of training costs on the quality of products according to ISO 10015. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 22, n. 1, p. 15–39, 2021. DOI: 10.55562/jrucs.v22i1.488. Disponível em: https://jrucs.iq/index.php/JAUCS/article/view/488. Acesso em: 21 jul. 2026.