DIN EN 16603-10-02:2019-04, Raumfahrttechnik_- Verifikation; Englische Fassung EN_16603-10-02:2018, Beuth Verlag GmbH (lire en ligne)
John D. Adams, « The Berea College Mission to the Mountains: Teacher Training, The Normal Department, and Rural Community Development », Register of the Kentucky Historical Society, vol. 110, no 1, , p. 33–66 (ISSN2161-0355, DOI10.1353/khs.2012.0005, lire en ligne, consulté le )
Lloyd M. Mataka, Jon C. Saderholm et Tracy Hodge, « Faculty Epistemological Beliefs and the Influence of Professional Development », Science Education International, vol. 30, no 4, , p. 364–372 (ISSN2077-2327, DOI10.33828/sei.v30.i4.14, lire en ligne, consulté le )
Z Taylor et Izzat Alsmadi, « College Affordability and U.S. News & World Report Rankings: », Journal of Interdisciplinary Studies in Education, vol. 9, no 1, , p. 1–25 (ISSN2166-2681, DOI10.32674/jise.v9i1.1360, lire en ligne, consulté le )
Jaqueline Loetsch Kiplinger, Neutral Uranium(VI) Sulfido Compound Isolated and Characterized for the First Time, Office of Scientific and Technical Information (OSTI), (lire en ligne)
John D. Adams, « The Berea College Mission to the Mountains: Teacher Training, The Normal Department, and Rural Community Development », Register of the Kentucky Historical Society, vol. 110, no 1, , p. 33–66 (ISSN2161-0355, DOI10.1353/khs.2012.0005, lire en ligne, consulté le )
Lloyd M. Mataka, Jon C. Saderholm et Tracy Hodge, « Faculty Epistemological Beliefs and the Influence of Professional Development », Science Education International, vol. 30, no 4, , p. 364–372 (ISSN2077-2327, DOI10.33828/sei.v30.i4.14, lire en ligne, consulté le )
Z Taylor et Izzat Alsmadi, « College Affordability and U.S. News & World Report Rankings: », Journal of Interdisciplinary Studies in Education, vol. 9, no 1, , p. 1–25 (ISSN2166-2681, DOI10.32674/jise.v9i1.1360, lire en ligne, consulté le )