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Jhamb L.C, Jhamb L.C, . (1991). Quantitative Techniques. : Everest Publishing House.
Jhamb L.C, Jhamb L.C, . 1991. Quantitative Techniques. : Everest Publishing House.
Jhamb L.C, Jhamb L.C, . Quantitative Techniques. : Everest Publishing House. 1991.