Research in education /
Best, John W.
Research in education / John W. Best - Englewood Cliffs, N.J. : Prentice Hall, c1981 ; [Reprinted : Manila : Alemars]. - 431 p. ; 23 cm.
0137740263
Educational research.
Research in education / John W. Best - Englewood Cliffs, N.J. : Prentice Hall, c1981 ; [Reprinted : Manila : Alemars]. - 431 p. ; 23 cm.
0137740263
Educational research.