DAFFA, Muhammad Zulfiqar; ARMONO , Haryo Dwito. Integration Of Servperf Ipa And Qfd In Improving The Quality Of Construction Engineering Consultant Services Based On The Client’s Perspective. Journal Research of Social Science, Economics, and Management, [S. l.], v. 4, n. 11, p. 1711– 1728, 2025. DOI: 10.59141/jrssem.v4i11.863. Disponível em: https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/863. Acesso em: 5 dec. 2025.