APA Style
Duggal, Kartar Singh.. ().
Science and technology in India ,Pakistan,Bangladesh and Sri Lanka .
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Chicago Style
Duggal, Kartar Singh..
Science and technology in India ,Pakistan,Bangladesh and Sri Lanka.
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.
MLA Style
Duggal, Kartar Singh..
Science and technology in India ,Pakistan,Bangladesh and Sri Lanka.
:
,
.
.
Turabian Style
Duggal, Kartar Singh..
Science and technology in India ,Pakistan,Bangladesh and Sri Lanka.
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,
.
.