@misc{1131376, author = {David Sefcik}, title = {Unit pricing guide ::a best practice approach to unit pricing}, year = {2014}, month = {2014-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.1181}, language = {en}, }