TY - CHAP T1 - A Discrete Particle Swarm Optimization Approach to Compose Heterogeneous Learning Groups AU - Zheng, Z. AU - Pinkwart, N. TI - Proceedings of the 14th IEEE International Conference on Advanced Learning Technologies (ICALT) PY - 2014 PB - IEEE Computer Society Press M3 - doi:10.1109/ICALT.2014.24 ER -