Freedman, Paul
The principles of scientific research / by Paul Freedman ; with an introduction to the second edition by C. H. Waddington - 2nd ed. - Oxford, London, New York, Paris : Pergamon Press, 1960 - xvii, 228 p.
INVESTIGACION CIENTIFICA
METODOLOGIA DE LA CIENCIA
METODOLOGIA DE LA INVESTIGACION
001.891
The principles of scientific research / by Paul Freedman ; with an introduction to the second edition by C. H. Waddington - 2nd ed. - Oxford, London, New York, Paris : Pergamon Press, 1960 - xvii, 228 p.
INVESTIGACION CIENTIFICA
METODOLOGIA DE LA CIENCIA
METODOLOGIA DE LA INVESTIGACION
001.891
