JAMES N. OLIVER: THE EFFECT OF PHYSICAL CONDITIONING EXERCISES AND ACTIVITIES ON THE MENTAL CHARACTERISTICS OF EDUCATIONALLY SUB-NORMAL BOYS. In: British Journal of Educational Psychology. Band28, Nr.2, Juni 1958, ISSN0007-0998, S.155–165, doi:10.1111/j.2044-8279.1958.tb01437.x (org.uk [abgerufen am 30. September 2020]).
doi.org
JAMES N. OLIVER: THE EFFECT OF PHYSICAL CONDITIONING EXERCISES AND ACTIVITIES ON THE MENTAL CHARACTERISTICS OF EDUCATIONALLY SUB-NORMAL BOYS. In: British Journal of Educational Psychology. Band28, Nr.2, Juni 1958, ISSN0007-0998, S.155–165, doi:10.1111/j.2044-8279.1958.tb01437.x (org.uk [abgerufen am 30. September 2020]).
JAMES N. OLIVER: THE EFFECT OF PHYSICAL CONDITIONING EXERCISES AND ACTIVITIES ON THE MENTAL CHARACTERISTICS OF EDUCATIONALLY SUB-NORMAL BOYS. In: British Journal of Educational Psychology. Band28, Nr.2, Juni 1958, ISSN0007-0998, S.155–165, doi:10.1111/j.2044-8279.1958.tb01437.x (org.uk [abgerufen am 30. September 2020]).