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2. 2013. RECURSIVE FUNCTIONS OF SYMBOLIC EXPRESSIONS AND THEIR COMPUTATION BY MACHINE (Part I) (12-May-1998). https://web.archive.org/web/20131006003734/http://www-formal.stanford.edu/jmc/recursive.html 2013. RECURSIVE FUNCTIONS OF SYMBOLIC EXPRESSIONS AND THEIR COMPUTATION BY MACHINE (Part I) (12-May-1998). https://web.archive.org/web/20131006003734/http://www-formal.stanford.edu/jmc/recursive.html
3. Programming Is Hard - Or at Least It Used to Be
4. James H Block . 1971 . Mastery Learning: Theory and Practice. (1971), 162. James H Block. 1971. Mastery Learning: Theory and Practice. (1971), 162.
5. Susan Debra Blum . 2020 . Ungrading: Why Rating Students Undermines Learning (and What to Do Instead) . West Virginia University Press. Google-Books-ID : OLFWzQEACAAJ. Susan Debra Blum. 2020. Ungrading: Why Rating Students Undermines Learning (and What to Do Instead). West Virginia University Press. Google-Books-ID: OLFWzQEACAAJ.