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 _    _      ___     __   _     _____     ______  
| |  | ||   / _ \\  | || | ||  |  ___||  /_   _// 
| |/\| ||  / //\ \\ | '--' ||  | ||__      | ||   
|  /\  || |  ___  ||| .--. ||  | ||__     _| ||   
|_// \_|| |_||  |_|||_|| |_||  |_____||  /__//    
`-`   `-` `-`   `-` `-`  `-`   `-----`   `--`

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Text this: Comparison of PSO and de for truck scheduling in multi-door cross docking terminals