Columbia subject headings:
Harvard subject headings:
Construction industry--Developing countries--Congresses.
Developing countries--Emigration and immigration--Congresses.
Emigrant remittances--Congresses.
Emigrant remittances--Developing countries--Congresses.
Emigration and immigration--Congresses
Foreign workers--Developing countries--Congresses.
Urbanization--Congresses
Urbanization--Developing countries--Congresses
Princeton subject headings:
Construction industry--Developing countries--Congresses.
Developing countries--Congresses.
Emigrant remittances--Congresses.
Foreign workers--Congresses.