(2014). UPSC-Engineering services examination: Chapterwise solved papers 1991-2013:general ability test. G K Publications.
シカゴスタイル引用形UPSC-Engineering Services Examination: Chapterwise Solved Papers 1991-2013:general Ability Test. Noida: G K Publications, 2014.
MLA引用形式UPSC-Engineering Services Examination: Chapterwise Solved Papers 1991-2013:general Ability Test. G K Publications, 2014.
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