00689cam a22002171a 4500 sa 63003641 DLC 20260227111943.0 830725s1963 ii a 000 0 eng sa 63003641 (OCoLC)9737785 DLC IU DLC premarc QA37 .C535 1963 Chawla, C. Dass. Practical engineering mathematics : a text book for A.M.I.E., B.E., B.Sc. (engg.) & telecom. engg. / by C. Dass Chawla ; thoroughly rev. & enl. [2d] ed. Delhi : New Asian Publishers, 1963. vi, 458, 616 p. : ill. ; 22 cm. Engineering mathematics. 55215 55215