Subramanian, G. G., I. A. Chidambaram, and J. S. Manoharan. “Flower Pollination Algorithm Based PDFF Controller for a Two-Area Interconnected Thermal Power System With Gas / Diesel Units”. Global Journal of Energy Technology Research Updates, vol. 4, no. 1, Dec. 2017, pp. 26-34, doi:10.15377/2409-5818.2017.04.3.