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Subject Term
- extension[remove]4
- extension programs[remove]4
- development3
- rural development3
- extension communication2
- farmers2
- participation2
- professional development2
- seeds2
- Iran1
- agricultural development1
- campaign planning1
- campaigns1
- courses1
- demonstrations1
- development issues1
- educational programs1
- extension agents1
- extension methods1
- test plots1