EKKA, P. (2024). ISC HISTORY SIMPLIFIED. PRAGATISHEEL SAHITYA SADAN PATNA.
Chicagoスタイル(17版)引用形式EKKA, PARAG. ISC HISTORY SIMPLIFIED. DARJEELING: PRAGATISHEEL SAHITYA SADAN PATNA, 2024.
MLA(9版)引用形式EKKA, PARAG. ISC HISTORY SIMPLIFIED. PRAGATISHEEL SAHITYA SADAN PATNA, 2024.
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