Columbia subject headings:
Islamic countries--Economic conditions.
Poverty--Islamic countries.
Poverty--Religious aspects--Islam.
Poverty--Yemen (Republic)
Yemen (Republic)--Economic conditions.
Harvard subject headings:
Islamic countries--Economic conditions.
Poverty--Islamic countries.
Poverty--Religious aspects--Islam
Poverty--Yemen (Republic)
Yemen (Republic)--Economic conditions.
Princeton subject headings:
Islamic countries--Economic conditions.
Poverty--Islamic countries.
Poverty--Religious aspects--Islam.
Poverty--Yemen.
Yemen--Economic conditions.