Mertens,, Donna M Research methods in special education / Donna M. Mertens, John A. McLaughlin

Research methods in special education / Donna M. Mertens, John A. McLaughlin . - Thousand Oaks : Sage, 1995 . - [8], 136 p. 22 cm . - (Applied social research methods series; 37))
0-8039-4809-3 (Brochado)

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