Harris Chester William Liba Marie R. ed
Encyclopedia of educational research: a project of the American Educational Research Association - 3rd. ed. - New York Macmillan US 1960 - xxix, 1564p.
R/370.3/HAR
Encyclopedia of educational research: a project of the American Educational Research Association - 3rd. ed. - New York Macmillan US 1960 - xxix, 1564p.
R/370.3/HAR