Cohen,, Louis,, 1928-
Research methods in education / Louis Cohen, Lawrence Manion
Research methods in education / Louis Cohen, Lawrence Manion
. - 3rd ed
. - London : Routledge, imp. 1992
. - XXII, 413 p. : il. gráficos 22 cm
0-415-04410-3 (Brochado)
37.012