Fediyani, Hanif Faizah Eka, et al. “APPLICATION OF MATERIAL FLOW ANALYSIS (MFA) ON BIOVALORIZATION SYSTEM OF SOY SAUCE AND TOFU SOLID WASTE INTO SEASONING SAUCE PRODUCTS”. Lingkar: Journal of Environmental Engineering, vol. 7, no. 1, July 2026, pp. 19-29, doi:10.22373/ljee.v7i1.10310.