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Chemical Engineering by J.H. Harker Fuel science by J.H. Harker Fuel and Energy by J.H. Harker Chemical Engineering Volume 2 by J.H. Harker Chemical Engineering by J.H. Harker Coulson and Richardson's Chemical Engineering, Volume 4, Seco... by J.M. Coulson Chemical Engineering by J.R. Backhurst Chemical Engineering by J.R. Backhurst Coulson & Richardson's Chemical Engineering by J H Harker Chemical Engineering by J R Backhurst


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