APA (7 ম সংস্করণ) উদ্ধৃতি
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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি
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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতি
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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