Lua APA (7ú heag.)
Obengo, D. M. (2011). Psychological factors associated with a decline in performance in mathematics in Kenyan technical training institutes: A case study of Machakos Technical Training Institute. Daystar University.
Lua i Stíl Chicago (17ú heag.)
Obengo, Dorothy Mueni. Psychological Factors Associated with a Decline in Performance in Mathematics in Kenyan Technical Training Institutes: A Case Study of Machakos Technical Training Institute. Nairobi: Daystar University, 2011.
Lua MLA (9ú heag.)
Obengo, Dorothy Mueni. Psychological Factors Associated with a Decline in Performance in Mathematics in Kenyan Technical Training Institutes: A Case Study of Machakos Technical Training Institute. Daystar University, 2011.
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