Research in education .-3rd ed.
Best, John W.
Research in education .-3rd ed. John W. Best - 3rd ed. - Englewood Cliffs, N.J. : Prentice-Hall, c1977 - xii, 403p. : ill. ;
51:001.8 / BES
Research in education .-3rd ed. John W. Best - 3rd ed. - Englewood Cliffs, N.J. : Prentice-Hall, c1977 - xii, 403p. : ill. ;
51:001.8 / BES