Region
Malaysia
33
United States
28
Malaysia --
20
United States --
18
China
12
China --
12
Asia
7
Southeast Asia
7
European Union countries
6
East Asia
5
East Asia --
5
European Union countries --
5
Indonesia
5
Southeast Asia --
5
Europe
4
Great Britain
4
Japan --
4
Indonesia --
3
Iran --
3
Russia (Federation)
3
Africa
2
Africa --
2
Asia --
2
Australia
2
Australia --
2
India
2
Iran
2
Islamic countries
2
Middle East
2
Pacific Area
2
Philippines
2
Russia (Federation) --
2
Singapore
2
Soviet Union --
2
Africa, North
1
Arab countries
1
Arab countries --
1
Asia, Central --
1
Asia, Southeastern
1
Bosnia and Herzegovina
1
Canada
1
Canada --
1
Case studies
1
Commonwealth countries
1
Cyprus
1
Denmark
1
Developing countries
1
Developing countries --
1
Ethiopia
1
Europe, Eastern
1
more ...