Rubin,, Allen Research methods for social work / Allen Rubin, Earl Babbie

Research methods for social work / Allen Rubin, Earl Babbie . - 3rd ed . - Pacific Grove : Brooks-Cole Publishing Company, cop. 1997 . - XXVII, 758, [l4] p. : il. 25 cm
0-534-26388-7 (Encadernado)

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