APA (7 वां संस्करण) प्रशस्ति पत्र

Khalil, A. H. O. (2008). Relationships between Extension Competencies, Organisational Commitment and Job Satisfaction with Performance of Agricultural Extension Workers in Yemen.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Khalil, Ali Hassan Obaid. Relationships Between Extension Competencies, Organisational Commitment and Job Satisfaction with Performance of Agricultural Extension Workers in Yemen. 2008.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Khalil, Ali Hassan Obaid. Relationships Between Extension Competencies, Organisational Commitment and Job Satisfaction with Performance of Agricultural Extension Workers in Yemen. 2008.

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