RIAUAN, M. A. I.; SITANGGANG, Y.; AHMAD, Z. A. Communication Activities on the Implementation of E-procurement in Indragiri Hulu Regency. Journal of Applied Engineering and Technological Science (JAETS), [S. l.], v. 4, n. 1, p. 469–477, 2022. DOI: 10.37385/jaets.v4i1.1328. Disponível em: https://yrpipku.com/journal/index.php/jaets/article/view/1328. Acesso em: 6 jul. 2025.