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Einführung in die Mathematik für Sozialwissenschaftler : insbesondere für Psychologen, Soziologen, Pädagogen, Politologen
Hamerle, Alfred, (1981)
Data collection and analysis
Sapsford, Roger, (1996)
Qualitative data analysis : an expanded sourcebook
Miles, Matthew B., (1994)
Planning pre-school services: A socio-demographic analysis
Plewis, Ian, (1978)
Inequalities, targets and zones Current policies to raise education standards could increase inequality
Plewis, Ian, (1998)
Modelling impact heterogeneity
Plewis, Ian, (2002)