@article{Kelleher2018, author = "Caitlin Kelleher and Randy Pausch", title = "{Lowering the barriers to programming : a survey of programming environments and languages for novice programmers}", year = "2018", month = "6", url = "https://kilthub.cmu.edu/articles/journal_contribution/Lowering_the_barriers_to_programming_a_survey_of_programming_environments_and_languages_for_novice_programmers/6607064", doi = "10.1184/R1/6607064.v1" }