WASET
Ayouche, S. , Ellaia, R. , Aboulaich, R. (2016), 'A Hybrid Particle Swarm Optimization-Nelder- Mead Algorithm (PSO-NM) for Nelson-Siegel- Svensson Calibration', World Academy of Science, Engineering and Technology, Open Science Index 112, International Journal of Economics and Management Engineering, 10(4), 1365 - 1369.