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1
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2por Kothari, C.RSubjects: “...Research methodology Research design Scaling techniques...”
Publicado 1985
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3por McNeill, PatrickSubjects: “...Research Methodology Research design Data collection- research Research process...”
Publicado 2005
Printed Book -
4por Sharma, D KSubjects: “...Research methodology Research design Sampling techniques...”
Publicado 2009
Printed Book