TY - JOUR T1 - Does the higher citation of collaborative research differ from region to region? A case study of Economics JO - Scientometrics UR - https://doi.org/10.1007/s11192-010-0197-5 PY - 2010/03/02 AU - Levitt JM AU - Thelwall M ED - DO - DOI: 10.1007/s11192-010-0197-5 PB - Springer Science and Business Media LLC VL - 85 IS - 1 SP - 171 EP - 183 Y2 - 2025/06/27 ER -