Napat Harnpornchai Nopasit Chakpitak Tirapot Chandarasupsang Tuang-Ath Chaikijkosi Keshav P. Dahal Dynamic adjustment of age distribution in Human Resource Management by genetic algorithms. 1234-1239 2007 IEEE Congress on Evolutionary Computation http://dx.doi.org/10.1109/CEC.2007.4424611 conf/cec/2007 db/conf/cec/cec2007.html#HarnpornchaiCCCD07