Handbook of steel construction Tenth Edition: U, ?4 M) j' ~" A9 v
concrete design Handbook Third Edition 5 a$ n z+ ^8 W* v/ g! R% M' wwood design Manual 2010/ r/ i" K; k9 `2 v
Fundamental of construction estimating 2nd edition) |# q E* K8 _4 ?) S: v
Basic technical mathematics with calculus ninth edition. D; Q) R, V& A
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