Open Access
SHS Web Conf.
Volume 66, 2019
ERPA International Congresses on Education 2019 (ERPA 2019)
Article Number 01021
Number of page(s) 5
Published online 14 August 2019
  1. G. Harel, SSM, 89, 1, 40–57 (1989). [Google Scholar]
  2. Y. Soylu, S. Aydın, EUJEF, 8, 2, 83–95 (2006). [Google Scholar]
  3. D. Tall, S. Vinner, Educational Studies in Mathematics, 12, 151–169 (1981). [CrossRef] [Google Scholar]
  4. T. Wang, CEE, 23, 4, 236–241 (1989). [Google Scholar]
  5. A. Yıldırım, H. Şimşek, Sosyal bilimlerde nitel araştırma yöntemleri (2016). [Google Scholar]

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.