Kumar, B., & Hansra, B. S. (2000). Extension education for human resource development. Concept Pub. Company.
Chicago-viite (17. p.)Kumar, Birendra, ja B. S. Hansra. Extension Education for Human Resource Development. New Delhi: Concept Pub. Company, 2000.
MLA-viite (8. p.)Kumar, Birendra, ja B. S. Hansra. Extension Education for Human Resource Development. Concept Pub. Company, 2000.
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