Mak, L. (1977). Reliability and validity of qualitative data. Institute of Humanities and Social Sciences, College of Graduate Studies, Nanyang University.
Chicago Style (17. basım) AtıfMak, Lau-Fong. Reliability and Validity of Qualitative Data. [Singapore]: Institute of Humanities and Social Sciences, College of Graduate Studies, Nanyang University, 1977.
MLA (8th ed.) AtıfMak, Lau-Fong. Reliability and Validity of Qualitative Data. Institute of Humanities and Social Sciences, College of Graduate Studies, Nanyang University, 1977.
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