@misc{misc, title  = {{Google Scholar, Web of Science, and Scopus: a systematic comparison of  citations in 252 subject categories}},

 url = {{}},

 year = {{2018}},

 month = {{8}},

 author = {{Martín-Martín A and Orduna-Malea E and Thelwall M and López-Cózar ED}},

 doi = {{10.48550/arxiv.1808.05053}},

 note = {{Accessed on 2024/09/19}}}