APA (7 वां संस्करण) प्रशस्ति पत्र
Olollo, E. E. (2011). Factors that contribute to staff turnover: A case study of Dawro Kale-Heywot church in Ethiopia. Daystar University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Olollo, Eyasu Eyob. Factors That Contribute to Staff Turnover: A Case Study of Dawro Kale-Heywot Church in Ethiopia. Nairobi, Kenya: Daystar University, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Olollo, Eyasu Eyob. Factors That Contribute to Staff Turnover: A Case Study of Dawro Kale-Heywot Church in Ethiopia. Daystar University, 2011.
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