KUMAR, P. MATHS OLYMPIAD INTERNATIONAL MATHEMATICS OLYMPIAD- 7. V & S PUBLISHER.
Chicagoスタイル(17版)引用形式KUMAR, PRASOON. MATHS OLYMPIAD INTERNATIONAL MATHEMATICS OLYMPIAD- 7. NEW DELHI: V & S PUBLISHER.
MLA(9版)引用形式KUMAR, PRASOON. MATHS OLYMPIAD INTERNATIONAL MATHEMATICS OLYMPIAD- 7. V & S PUBLISHER.
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