E-Procurement System Technology: An Analysis in Electronic Procurement Service Unit (LPSE) of Kepulauan Riau Province. The Asian Journal of Technology Management (AJTM), [S. l.], v. 7, n. 2, p. 93–107, 2014. Disponível em: https://journal.sbm.itb.ac.id/index.php/ajtm/article/view/1198. Acesso em: 30 sep. 2026.