Biblioteca da Universidade do Minho

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Cohen,, Louis,, 1928- Research methods in education / Louis Cohen, Lawrence Manion

Research methods in education / Louis Cohen, Lawrence Manion . - 2nd ed . - London : Croom Helm, imp. 1987 . - [24], 383 p. : il. 22 cm
0-7099-3438-6

37.012