Mandiri, A.T.K.U.M. et al. 2022. Analisis Manajemen Risiko Usaha (Studi Kasus Burgerchill). IJEEM - Indonesian Journal of Environmental Education and Management. 7, 1 (Dec. 2022), 14–26. DOI:https://doi.org/10.21009/ijeem.v7i1.31676.