Application of Firefly Algorithm for Parameter Estimation of Damped Compound PendulumMohd Sazli Saad, Mohamad Izzat Kamal, Z. Shayfull, S.M. Nasir and M. FathullahMATEC Web Conf., 78 (2016) 01119DOI: https://doi.org/10.1051/matecconf/20167801119