Fitria, I., Atlanta, T., Azahra, N., Agustina, C., Subchan, S. and Cahyaningtias, S. (2022) “OPTIMAL CONTROL ON CHOLERA DISEASE SPREADING MODEL WITH THREE VARIABLES CONTROL VARIATION”, BAREKENG: Jurnal Ilmu Matematika dan Terapan, 16(2), pp. 463-470. doi: 10.30598/barekengvol16iss2pp463-470.