Author
., .. (1999). .. Methodology of Social Sciences and Humanities, 5(19), 61-74.
. .. ".". Methodology of Social Sciences and Humanities, 5, 19, 1999, 61-74.
., .. (1999). '.', Methodology of Social Sciences and Humanities, 5(19), pp. 61-74.
., .. .. Methodology of Social Sciences and Humanities, 1999; 5(19): 61-74.
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