Columbia subject headings:
Harvard subject headings:
Comorians--Madagascar--Social conditions.
Comoros--Emigration and immigration--Social aspects.
Madagascar--Emigration and immigration--Social aspects.
Return migration--Comoros.
Princeton subject headings:
Comorians--Madagascar--Social conditions.
Comoros--Emigration and immigration.
Madagascar--Emigration and immigration.
Return migrants--Comoros.
Return migration--Comoros.