Van den ban A W & Hawkins H S. (1996). Agricultural extension (2nd edition.). CBS Publishers and Distributers.
Chicago Edition CitationVan den ban A W i Hawkins H S. Agricultural Extension. 2nd edition. Newdelhi: CBS Publishers and Distributers, 1996.
Cita MLAVan den ban A W i Hawkins H S. Agricultural Extension. 2nd edition. CBS Publishers and Distributers, 1996.
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