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Subject Term
- extension agents[remove]6
- participation[remove]6
- extension services4
- extension3
- adoption2
- agricultural development2
- development2
- education needs2
- extension education2
- extension programs2
- extension systems2
- farming systems research2
- rural development2
- training and visit system2
- Africa1
- Egypt (Africa, Northern)1
- Nigeria (Africa, Western)1
- Philippines1
- Sierra Leone (Africa, Western)1
- Upper Volta1