Dileep Kumar & Khajan Singh. (2012). Agricultural extension: Innovations and dimensions. Sathish serial publishing house.
シカゴスタイル引用形Dileep Kumar , Khajan Singh. Agricultural Extension: Innovations and Dimensions. Delhi: Sathish serial publishing house, 2012.
MLA引用形式Dileep Kumar , Khajan Singh. Agricultural Extension: Innovations and Dimensions. Sathish serial publishing house, 2012.
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