[1]
J. Ramyashree, M. R. Roja, G. Sivagurunathan, and R. Kotteeswaran, “Firefly algorithm based multivariable PID controller design for MIMO process”, IJET, vol. 7, no. 2.31, pp. 41–44, May 2018, doi: 10.14419/ijet.v7i2.31.13394.