Sjoerd Hardeman

Spatial scientometrics: Towards a cumulative research program

Jarno Hoekman, Koen Frenken, Sjoerd Hardeman, 2009, J. Informetrics.

Organization level research in scientometrics: a plea for an explicit pragmatic approach

Sjoerd Hardeman, 2012, Scientometrics.

Research Excellence Indicators: time to re-imagine the “making of”?

Ângela Guimarães Pereira, Federico Ferretti, Sjoerd Hardeman, 2018 .