Das, B., & B.N. Mukherjee. (2004). Higher secondary co-ordinate geometry (16th ed.). U.N. Dhar & Sons.
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Chicago-čujuhus (17. p.)
Das, B.C, juo B.N. Mukherjee. Higher Secondary Co-ordinate Geometry. 16th ed. Kolkata: U.N. Dhar & Sons, 2004.
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MLA-čujuhus (9. p.)
Das, B.C, juo B.N. Mukherjee. Higher Secondary Co-ordinate Geometry. 16th ed. U.N. Dhar & Sons, 2004.
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