Yazar
allahabad agricultural institute
2 cilt bulundu.
Cilt sonuçları
Allahabad Agricultural Institute, Allahabad, India
Allahabad Agricultural Institute · Board of Founders
32 sayfa · 1948
Agriculture / Allahabad Agricultural Institute
Experiment in extension
Allahabad Agricultural Institute · Oxford University Press
239 sayfa · 1956
Agricultural extension work / Rural conditions