Bhalla, G. S.
Indian agriculture since independence / G.S. Bhalla.
National Book Trust,, 2007
 Buku Teks SO
Indian horizons
New Delhi, India : Indian Council for Cultural Relation
 Majalah, Jurnal, Buletin
Aiyer, A.K. Yegana Narayan
Co-operation and Indian agriculture / A. K. Yegana Narayan Aiyer
The Bangalore Printing & Publishing, 1951
 Buku Teks
Conservation and agriculture
edited by Joan Davidson and Richard Lloyd
John Wiley & Sons, 1979
 Buku Teks SO
Martin, Anne
Economics and agriculture
Routledger Kegan Paul, 1958
 Buku Teks