Παραπομπή APA

Krishna Iyer, R. (1977). Some factors related to underachievement in mathematics of secondary school students.

Παραπομπή Chicago Style

Krishna Iyer, R. Some Factors Related to Underachievement in Mathematics of Secondary School Students. 1977.

Παραπομπή MLA

Krishna Iyer, R. Some Factors Related to Underachievement in Mathematics of Secondary School Students. 1977.

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