@base . a , , ; , , ; "CPM " ; ; ; "0742-3721" ; ; "0742-3721" ; ; "0742-3721" ; "CPM. Construction productivity management" , "CPM " ; . . a . a ; . a ; "0742-3721" ; . a , ; "CPM. Construction productivity management" . "Maryland" . a ; ; "20050916171700.0"^^ ; ; . a ; "0742-3721" ; .