@article {28217,
	title = {Relationship between automation and integration of construction information systems and labor productivity},
	journal = {Journal of Construction Engineering and Management},
	volume = {135},
	year = {2009},
	pages = {746-753},
	url = {https://doi.org/10.1061/(ASCE)CO.1943-7862.0000024},
	author = {Dong Zhai and Paul M Goodrum and Carl T Haas and Carlos H Caldas}
}