Pingjun Jiang. Understanding the efficiency of keywords in search engine marketing - a comparison study using data envelopment analysis. IJEB, 14(3):273-292, 2018. [doi]
@article{Jiang18-31,
title = {Understanding the efficiency of keywords in search engine marketing - a comparison study using data envelopment analysis},
author = {Pingjun Jiang},
year = {2018},
doi = {10.1504/IJEB.2018.095980},
url = {https://doi.org/10.1504/IJEB.2018.095980},
researchr = {https://researchr.org/publication/Jiang18-31},
cites = {0},
citedby = {0},
journal = {IJEB},
volume = {14},
number = {3},
pages = {273-292},
}