KUMAR PREM. (2022). ALL IN ONE MATHEMATICS CBSE CLASS 12 (2022.). ARIHANT PRAKASHAN.
Lua i Stíl Chicago (17ú heag.)KUMAR PREM. ALL IN ONE MATHEMATICS CBSE CLASS 12. 2022. NEW DELHI: ARIHANT PRAKASHAN, 2022.
Lua MLA (9ú heag.)KUMAR PREM. ALL IN ONE MATHEMATICS CBSE CLASS 12. 2022. ARIHANT PRAKASHAN, 2022.
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