Handbook of steel construction Tenth Edition4 A t. O% o7 j# W
concrete design Handbook Third Edition7 Q, w$ s w/ O. R. z5 u7 M! i1 K. k
wood design Manual 2010; i: T4 n3 o0 O2 Z
Fundamental of construction estimating 2nd edition {2 D. w, }- Z ~' Y ~Basic technical mathematics with calculus ninth edition! R0 n; I3 h! {2 C
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