(1998). Engineering services examination: Papers solved and unsolved in general studies (2nd ed.). G.K.
শিকাগো স্টাইলে সাইটেশনEngineering Services Examination: Papers Solved and Unsolved in General Studies. 2nd ed. Jabalpur: G.K, 1998.
এমএলএ সাইটেশনEngineering Services Examination: Papers Solved and Unsolved in General Studies. 2nd ed. G.K, 1998.
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