TY - JOUR T1 - Google books, scopus, microsoft academic, and mendeley for impact assessment of doctoral dissertations: A multidisciplinary analysis of the uk JO - Quantitative Science Studies PY - 2020/03/25 AU - Kousha K AU - Thelwall M ED - DO - DOI: 10.1162/qss_a_00042 VL - 1 IS - 2 SP - 479 EP - 504 Y2 - 2025/03/10 ER -