Punmia, B.C., author
Standard Publishers Distributors, 1991
Buku Teks
Punmia, B.C., author
Standard Publishers Distributors, 1990
Buku Teks
Krishna, Jai, author
Nem Chand, 1975
Buku Teks
Baker, A.L.L., author
Cement and Concrete Association, 1970
Buku Teks
Cowan, Henry J., author
Prentice-Hall, 1982
Buku Teks