Tietueen sitaatit

Koenig, J. A., Koenig, J. A., Board on Testing and Assessment, Committee on the Assessment of 21st Century Skills, & Division of Behavioral and Social Sciences and Education. (2011). Assessing 21st Century Skills: Summary of a Workshop. National Academies Press.

Koenig, Judith Anderson, Judith A. Koenig, Board on Testing and Assessment, Committee on the Assessment of 21st Century Skills, ja Division of Behavioral and Social Sciences and Education. Assessing 21st Century Skills: Summary of a Workshop. National Academies Press, 2011.

Koenig, Judith Anderson, et al. Assessing 21st Century Skills: Summary of a Workshop. National Academies Press, 2011.

Koenig, J. A., Koenig, J. A., Board on Testing and Assessment, Committee on the Assessment of 21st Century Skills & Division of Behavioral and Social Sciences and Education. 2011. Assessing 21st Century Skills: Summary of a Workshop. National Academies Press.