Akbar, A. D., Fatmawati, F. and Ahmadin, A. (2025) “A FRACTIONAL-ORDER MATHEMATICAL MODEL OF THE SPREAD OF INFLUENZA”, BAREKENG: Jurnal Ilmu Matematika dan Terapan, 19(1), pp. 491-502. doi: 10.30598/barekengvol19iss1pp491-502.