INDRIANI, Yayuk Dwi; PURNOMO, Agus; LESTIANI, Melia Eka. Development and Validation of a Centralised Procurement Model: The Key Role and Intermediary Role in Strengthening Procurement Governance (Case Study of PT Wika Gedung). Dinasti International Journal of Education Management and Social Science, [S. l.], v. 7, n. 3, p. 2784–2796, 2026. DOI: 10.38035/dijemss.v7i3.5997. Disponível em: https://dinastipub.org/DIJEMSS/article/view/5997. Acesso em: 7 jun. 2026.