Bohacek 2009, pp. 18–19 Bohacek, Peter (2009). "Introduction to Measurement". Teaching Quantitative Skills in the Geosciences. Carleton College Science Education Resource Center; American Association of Physics Teachers. Retrieved 2024-03-06.
Bohacek 2009, pp. 18–19 Bohacek, Peter (2009). "Introduction to Measurement". Teaching Quantitative Skills in the Geosciences. Carleton College Science Education Resource Center; American Association of Physics Teachers. Retrieved 2024-03-06.
Bohacek 2009, pp. 18–19 Bohacek, Peter (2009). "Introduction to Measurement". Teaching Quantitative Skills in the Geosciences. Carleton College Science Education Resource Center; American Association of Physics Teachers. Retrieved 2024-03-06.
Bohacek 2009, pp. 23–30 Bohacek, Peter (2009). "Introduction to Measurement". Teaching Quantitative Skills in the Geosciences. Carleton College Science Education Resource Center; American Association of Physics Teachers. Retrieved 2024-03-06.
Lustick 1997 Lustick, David (1997). "The Numbers Game: Playing up the importance of significant figures and scientific notation". The Science Teacher. 64 (5): 16–18. JSTOR24152064.
Horsten 2023, § 2.2 Intuitionism Horsten, Leon (2023). "Philosophy of Mathematics". The Stanford Encyclopedia of Philosophy. Metaphysics Research Lab, Stanford University. Retrieved 22 November 2023.
Horsten 2023, § 2.2 Intuitionism Horsten, Leon (2023). "Philosophy of Mathematics". The Stanford Encyclopedia of Philosophy. Metaphysics Research Lab, Stanford University. Retrieved 22 November 2023.