Inayah, I., & Sahani, W. (2015). Preservatives Material Content of Sodium Nitrite (NaNO2) on Meat Processed (Burger) in Supermarkets and Street Vendors, Makassar City. International Journal of Sciences: Basic and Applied Research (IJSBAR), 24(3), 364-369. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4674