H SILABAN, P. .; FILA SARI SARAGIH, A. .; PERANGINANGIN, C. .; MANALU, P. .; MANALU, P. .; F.D. SILALAHI, C. . IMPLEMENTATION OF E-GOVERNMENT IN PROCUREMENT OF GOODS AND SERVICES: STUDY: ELECTRONIC PROCUREMENT SERVICE OFFICE (LPSE) MEDAN CITY. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), [S. l.], v. 1, n. 7, p. 329–336, 2022. DOI: 10.54443/ijset.v1i7.35. Disponível em: https://ijset.org/index.php/ijset/article/view/35. Acesso em: 11 sep. 2025.