Tyler, Ralph W.
Basic principles of curriculum and instruction / Ralph W. Tyler
University of Chicago, 1949
Buku Teks
Byrns, Ralph T
Exploring economics/ Ralph T. Byrns, Gerald W. Stone
Scott Foresman, 1984
Buku Teks
Byrns, Ralph T.
Economics/ Ralph T. Byrns, Gerald W. Stone
Illinois, 1984
Buku Teks
Allan, W. Scott
Rehabilitation: a community challenge/ W. Scott Allan
Wiley, [1958]
Buku Teks
Allan, W. Scott
Rehabilitation: a community challenge/ W. Scott Allan
Wiley, [1958]
Buku Teks