Sundharam, K., & Vaish, M. (1970). Principles of economics. Rajan prakashan mandir.
シカゴスタイル引用形Sundharam, K.P.M, , M.C Vaish. Principles of Economics. Agra: Rajan prakashan mandir, 1970.
MLA引用形式Sundharam, K.P.M, , M.C Vaish. Principles of Economics. Rajan prakashan mandir, 1970.
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