Jing Zhang Wanliang Wang Xinli Xu A hybrid discrete particle swarm optimization for dual-resource constrained job shop scheduling with resource flexibility. 1961-1972 2017 28 J. Intell. Manuf. 8 https://doi.org/10.1007/s10845-015-1082-0 db/journals/jim/jim28.html#ZhangWX17
