Panjaitan, D. J., A. F. P. Siregar, A. Sapta, and R. Aprilia. “SEIRS MATHEMATICAL MODEL FOR ANALYZING THE SPREAD AND PERSISTENCE OF GADGET ADDICTION IN ELEMENTARY SCHOOL CHILDREN”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 20, no. 1, Nov. 2025, pp. 0585-02, doi:10.30598/barekengvol20iss1pp0585-0602.