India Govt. Ministry of food and Agicuture. (1961). Extension education in community development. Directorate of Extesion.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)India Govt. Ministry of food and Agicuture. Extension Education in Community Development. New Delhi: Directorate of Extesion, 1961.
MLA -ийн эшлэл (9 дэх хэвлэлт)India Govt. Ministry of food and Agicuture. Extension Education in Community Development. Directorate of Extesion, 1961.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.