Columbia subject headings:
Harvard subject headings:
Cooking--Economic aspects--Paraguay--Asunción.
Fuel--Economic aspects--Paraguay--Asunción.
Poor--Paraguay--Asunciíon--Social conditions.
Princeton subject headings:
Biomass energy--Paraguay--Asunción Metropolitan Area.
Energy conservation--Paraguay--Asunción Metropolitan Area.
Energy consumption--Paraguay--Asunción Metropolitan Area.
Fuelwood--Conservation--Paraguay--Asunción Metropolitan Area.
Poor--Paraguay--Asunción Metropolitan Area.