(2009). U.P.S.C.(IES) engineering services examination solved papers: Civil engineering. G.K. Publishers.
Chicago Stili AlıntıU.P.S.C.(IES) Engineering Services Examination Solved Papers: Civil Engineering. Noida: G.K. Publishers, 2009.
MLA AlıntıU.P.S.C.(IES) Engineering Services Examination Solved Papers: Civil Engineering. G.K. Publishers, 2009.
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