SUBANDI, Daniel; NATALIA, Friska. Analysis and Design Web Based System in LPPM UMN. Ultima InfoSys : Jurnal Ilmu Sistem Informasi, [S. l.], v. 6, n. 2, p. 125–129, 2015. DOI: 10.31937/si.v6i2.228. Disponível em: https://ejournals.umn.ac.id/index.php/SI/article/view/228. Acesso em: 26 oct. 2025.