Rafnasya I, Firly A, Jane S, Djuanda G. ANALISIS RISIKO OPERASIONAL PADA UMKM WARUNG NASI. Penerbit Tahta Media [Internet]. 2025 Feb. 13 [cited 2025 Feb. 22];. Available from: http://tahtamedia.co.id/index.php/issj/article/view/1280