The bibliographic entry was discovered and compiled by a machine, and published without a person checking it against the publication. The publication itself is the authors' own work — this badge says nothing about it.

Early numerical development and the role of non-symbolic and symbolic skills

The work

AuthorsM. E. Kolkman; E. H. Kroesbergen; P. P. Leseman
Editors
Typemisc
Year2013
Also known asanon2013early
Citekeykolkman2013early

Where it appeared

PublisherElsevier BV

How it got here

How it got hereagent via unpaywall
Added2026-10-29 08:55 UTC
Not denied bya person 2026-10-29 17:12 UTC

Cite it as

@misc{kolkman2013early,
  title        = {Early numerical development and the role of non-symbolic and symbolic skills},
  author       = {M. E. Kolkman and E. H. Kroesbergen and P. P. Leseman},
  year         = {2013},
  publisher    = {Elsevier BV},
  doi          = {10.1016/j.learninstruc.2012.12.001},
}

This record lives at https://refs.drheap.org/kolkman2013early/ and will keep doing so. It used to be called anon2013early, and those addresses still resolve to this one.