Silalahi, B. R., R. F. Putri, O. S. A. Zoenoer, A. R. Shakila, A. Yuanda, L. K. Harahap, and A. Sapitri. “Smart And Careful Competition (Lcc) As A Means Of Learning At Uptd Sdn 16 Gambus Laut Village, Fifty Coastal District, Batu Bara Regency”. International Journal of Community Service (IJCS), vol. 5, no. 1, June 2026, pp. 435-40, doi:10.55299/ijcs.v5i1.1232.