Teng Nga Sing Jason Teo Mohd. Hanafi Ahmad Hijazi Empirical testing on 3-Parents Differential Evolution (3PDE) for unconstrained function optimization. 2259-2266 2007 IEEE Congress on Evolutionary Computation http://dx.doi.org/10.1109/CEC.2007.4424752 conf/cec/2007 db/conf/cec/cec2007.html#SingTH07