L. R. Shaffer

发表

Discussion of "Analysis of Construction Education Survey"

L. R. Shaffer, 1963 .

Blending Natural Earth Deposits for Least Cost

L. R. Shaffer, J. B. Ritter, 1961 .

Analytical Methods in Transportation: Planning a Grading Operation for Least Total Cost

L. R. Shaffer, 1963 .

Discussion of Analysis of Construction Education Survey by Committee on Construction Education and Management of the Construction Division, ASCE

L. R. Shaffer, 1963 .

Competitive strategy models for the construction industry

L. R. Shaffer, L. Shaffer, 1964 .