Research methods in education
Cohen Louis, Manion Lawrence, Morrison KeithKniha
Citace v seznamu literatury:
COHEN, Louis; MANION, Lawrence a MORRISON, Keith. Research methods in education. Eighth edition. New York: Routledge, 2018. ISBN 9781315456515. Dostupné také z: http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=1614634&authtype=ip,shib&custid=s3936755.