Rudenko, N. (Nikolail), author
Mir Publishers , 1964
Buku Teks
Morris, William T., author
Richard D. Irwin, 1962
Buku Teks
Apple, James M. (James MacGregor), 1915-1978, author
The Ronald Press , 1950
Buku Teks
Apple, James M. (James MacGregor), 1915-1978, author
John Wiley & Sons, 1977
Buku Teks
designed and produced by serasia limited for asian productivity organization
Asian Productivity Organization , 1971
Buku Teks