deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index c532232..5f661f9 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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pages = {1},  year = {2001},  }  @inproceedings{zualkernan2009role,  title = {{A Role-Playing Game-Based Learning Platform for Environmental Awareness}},  author = {Zualkernan, Imran A and Jibreel, Maram and Tayem, Rawan and Zakaria, Rim},  booktitle = {Advanced Learning Technologies, 2009. ICALT 2009. Ninth IEEE International Conference on},  pages = {78--80},  year = {2009},  organization = {IEEE},  }