Wiyogo P. Wicaksono
Development of immunochromatographic strip tests for selective and quantitative detection of melamine
Universitas Indonesia, 2014
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Creswell, John W.
Research design : qualitative, quantitative, approaches
Sage, 1994
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Neuman, Lawrence W.
Basics of social research: qualitative and quantitative
Pearson New International edition, 2014
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Neuman, William Lawrence, 1950-
Social research methods: qualitative and quantitative approaches
Allyn and Bacon, 2003
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Punch, Keith F.
Introduction to Social Research: quantitative and qualitative approaches
Sage, 1998
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