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Choudhary, S. Upkar's central teacher eligibility test: Practice sets for mathematics & science (Paper II). Upkar Prakashan.

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Choudhary, Santhosh. Upkar's Central Teacher Eligibility Test: Practice Sets for Mathematics & Science (Paper II). Agra: Upkar Prakashan.

MLA-viite

Choudhary, Santhosh. Upkar's Central Teacher Eligibility Test: Practice Sets for Mathematics & Science (Paper II). Upkar Prakashan.