Twitchell, K. S.
Saudi Arabia : with an account of the development of its natural resources / by K. S. Twitchell
Princeton University, 1958
 Buku Teks
Twitchell, K.S.
Saudi Arabia, with an account of the development of its natural resources / by K.S. Twitchell, with the collaboration of Edward J. Jurji
Princeton University Press, 1953
 Buku Teks
Twitcheil, K.S.
Saudi Arabia with an account of the development of its natural resources with the collaboration of and
New Jersey Princeton Univ. 1958
 Buku Teks
Natural resources and development
Federal Republic of Germany, 1977
 Buku Teks
Australia : its resources and development
edited by G.L. Wood
Macmillan, 1954
 Buku Teks
<<   1 2 3   >>