Koppenborg, M., Klingsieck, K. B., &; Hüffmeier, J. (2023). Conjunctive and additive group work reduce academic procrastination: insights from a vignette study. Current Psychology.https://doi.org/10.1007/s12144-023-04294-w 
LibreCat: /record/46933
DOI: 10.1007/s12144-023-04294-w

Klingsieck, K. B. (2013). Procrastination in Different Life-Domains: Is Procrastination Domain Specific? Current Psychology, 175–185.https://doi.org/10.1007/s12144-013-9171-8 
LibreCat: /record/29124
DOI: 10.1007/s12144-013-9171-8

Klingsieck, K. B. (2013). Procrastination in Different Life-Domains: Is Procrastination Domain Specific? Current Psychology, 32(2), 175–185.https://doi.org/10.1007/s12144-013-9171-8 
LibreCat: /record/46939
DOI: 10.1007/s12144-013-9171-8