’Arifah, D. F., and T. Mahmudiono. “The Relationship Between Education Level, Seller’s Income, and Bussiness Age Toward Knowledge about Rhodamin B Among GoFood and GrabFood Beverage Sellers in East Surabaya”. Media Gizi Kesmas, vol. 12, no. 1, June 2023, pp. 125-33, doi:10.20473/mgk.v12i1.2023.125-133.