TY - JOUR T1 - Questionnaires mentioned in academic research 1996–2019: Rapid increase but declining citation impact JO - Learned Publishing UR - http://dx.doi.org/10.1002/leap.1417 PY - 2021/09/08 AU - Fairclough R AU - Thelwall M ED - DO - DOI: 10.1002/leap.1417 PB - Wiley VL - 35 IS - 2 SP - 241 EP - 252 Y2 - 2024/09/19 ER -