Soleh, M., Nazvira, M., Wartono, W., Safitri, E., & Sriningsih, R. (2025). STABILITY ANALYSIS OF THE SIQR MODEL OF DIPHTHERIA DISEASE SPREAD AND MIGRATION IMPACT. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, 19(1), 173-184. https://doi.org/10.30598/barekengvol19iss1pp173-184