Frankel, Francine R., author
Princenton University Press, 1978
Buku Teks
Balakrishna, R.
Bangalore Printing & Pub. Co., 1948
Buku Teks
Sinha, Narenda Krishna
K. L. Mukhopadhyay, 1965
Buku Teks
edited by C. Steven LaRue
Fitzroy Dearborn Publishers, 1997
Buku Referensi
Investment and Technology Promotion Division, Ministry of External Affairs, 2007
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