@misc{popularpython,
    author = "Philip Guo",
    title = "Python Is Now the Most Popular Introductory Teaching Language at Top U.s. Universities",
    month = "July",
    year = "2014",
    howpublished = "\url{https://cacm.acm.org/blogs/blog-cacm/176450-python-is-now-the-most-popular-introductory-teaching-language-at-top-u-s-universities/fulltext}",
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}

@misc{pythongrowth,
    author = "David Robinson",
    title = "The Incredible Growth of Python",
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    year = "2017",
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}

@misc{whypython,
    author = "David Robinson",
    title = "Why is Python Growing So Quickly?",
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    year = "2017",
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}

@article{hansen2002open,
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  author={Hansen, Marit and K{\"o}hntopp, Kristian and Pfitzmann, Andreas},
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  pages={461--471},
  year={2002},
  publisher={Elsevier}
}

@article{maggiolo2012introducing,
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@article{maggiolo2014cms,
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}

@article{leal2003mooshak,
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}

@inproceedings{leal2008using,
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}

@article{ribeiro2008early,
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}

@book{martin2009clean,
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@MastersThesis{Tsiamitros,
  author={Νικόλαος Τσιαμήτρος},
  title={Σχεδίαση και Υλοποίηση Καταναμημένου Συστήματος για την Αυτόματη
         Αξιολόγηση Προγραμματιστικών Ασκήσεων},
  school={Εθνικό Μετσόβιο Πολυτεχνείο},
  address={Ελλάδα},
  year={2015}
}

@MastersThesis{Rozhkov,
  author={Рожков М.},
  title={Система автоматического тестирования программ и организации соревнований по программированию},
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  address={Russia},
  year={2004},
}

@misc{deprecation,
    author={Adam Harvey},
    title={Request for Comments: ext/mysql deprecation},
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}

@misc{mysqlapis,
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}

@misc{pdo,
    author = "PHP Contributors",
    title = "PHP Data Objects",
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}

@misc{dsn,
    author = "Wikipedia contributors",
    title = "Data source name --- Wikipedia{,} The Free Encyclopedia",
    year = "2017",
    howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Data_source_name&oldid=796073781}",
    note = "[Online; accessed 17-March-2018]"
}
