Priya Pallavi. NCERT Exemplar Problems-Solutions Biology Class 12th. Arihant Prakashan.
Cita Chicago (17th ed.)Priya Pallavi. NCERT Exemplar Problems-Solutions Biology Class 12th. Meerut: Arihant Prakashan.
Cita MLA (9th ed.)Priya Pallavi. NCERT Exemplar Problems-Solutions Biology Class 12th. Arihant Prakashan.
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