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  1. 1
    Agricultural extension and rural devolopment
    由 Dan, Singh
    出版 2011
    Printed Book
  2. 2
    Agricultural extension
    由 Ratnesh Gupta
    出版 2014
    Printed Book
  3. 3
    Agricultural extension
    由 AW van den Ban
    出版 1998
    Printed Book
  4. 4
    4-H handbook: a timesaver for agricultural leaders, county extension. agents, vocational teachers and older youth
    由 Willman, H A
    出版 1952
    Printed Book
  5. 5
    Extension communication and management
    由 Ray, G L
    出版 1991
    Printed Book
  6. 6
    Village improvement and agricultural extension
    由 Yegna Narayan Aiyer, A K
    出版 1954
    Printed Book
  7. 7
    Agricultural extension: a glimpse
    由 Janani, S.
    出版 2019
    Printed Book
  8. 8
    Use of icts in agriculture extension
    由 Nikulsinh, M. Chauhan
    出版 2012
    Printed Book
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