Understanding educational research : an introduction /
Van Dalen, Deobold B., 1911-1995
Understanding educational research : an introduction / Deobold B. Van Dalen, William J. Meyer. - New york : McGraw-Hill, 1966. - 525 p. - Psychology and human development in education .
Educación--Investigación
Understanding educational research : an introduction / Deobold B. Van Dalen, William J. Meyer. - New york : McGraw-Hill, 1966. - 525 p. - Psychology and human development in education .
Educación--Investigación