Suci Aji Lestari and Amrina Rosyada (2022) “Analyze Type, Amount, and Quality of Breakfast on the Concentration of Students at Elementary School 29 Palembang”, Jurnal kesehatan komunitas (Journal of community health), 8(1), pp. 1–6. doi: 10.25311/keskom.Vol8.Iss1.1091.