Chia, Siow Yue
ASEAN economic cooperation and integration : progress, challenges and future directions
Cambridge University Press, 2015
 Buku Teks
Future directions in social development
edited by James Midgley, Manohar Pawar
Palgrave Macmillan, 2017
 Buku Teks
Tourism in Southeast Asia : challenges and new directions
Michael Hitchcock, Victor T. King, Michael Parnwell
Nias Press, 2009
 Buku Teks
Midwifery and public health: future directions, new opportunities
Elsevier, 2005
 Buku Teks
Planning theory in the 1980s : a search for future directions
edited Robert W. Burchell and George Sternlieb
Center for Urban Policy Research, 1981
 Buku Teks