Slower growth in the Western World / edited by R.C.O. Matthews
Heinemann , 1982
 Buku Teks SO
Ferris, Brian
World problems
Hulton Educational Publications, 1973
 Buku Teks SO
Facing the future : mastering the probable and managing the unpredi/Organisation for Economic Co-operation and Development.
Organisation for Economic Co-operation and Development, 1979.
 Buku Teks
Facing the future : mastering the probable and managing the unpredi/Organisation for Economic Co-operation and Development.
Organisation for Economic Co-operation and Development, 1979.
 Buku Teks SO
Facing the future : mastering the probable and managing the unpredi/Organisation for Economic Co-operation and Development.
Organisation for Economic Co-operation and Development, 1979.
 Buku Teks SO