MARBUN, E. Membangun Ketahanan UMKM Melalui Growth Stage Model 4.0: Studi Kasus di GBI Helvetia. KETIK : Jurnal Informatika, [S. l.], v. 2, n. 03, p. 42–47, 2025. DOI: 10.70404/ketik.v2i03.148. Disponível em: https://jurnal.faatuatua.com/index.php/KETIK/article/view/148. Acesso em: 12 aug. 2026.