APA Citation

Barrientos, Z., & Umaña, R. (2009). Student attrition in posgraduate blended programs at the Universidad Estatal a Distancia (UNED), Costa Rica: Desertion or delay?

Chicago Style Citation

Barrientos, Zaidett, and Roy Umaña. Student Attrition in Posgraduate Blended Programs At the Universidad Estatal a Distancia (UNED), Costa Rica: Desertion or Delay? 2009.

MLA Citation

Barrientos, Zaidett, and Roy Umaña. Student Attrition in Posgraduate Blended Programs At the Universidad Estatal a Distancia (UNED), Costa Rica: Desertion or Delay? 2009.

Warning: These citations may not always be 100% accurate.