Columbia subject headings:
Food handling.
Sanitation, Household--Peru--Lima Metropolitan Area.
Sewage irrigation--Peru--Lima Metropolitan Area.
Water in agriculture--Peru--Lima Metropolitan Area.
Water reuse--Peru--Lima Metropolitan Area.
Harvard subject headings:
Food handling.
Sanitation, Household--Peru--Lima Metropolitan Area.
Sewage irrigation--Peru--Lima Metropolitan Area.
Water in agriculture--Peru--Lima Metropolitan Area.
Water reuse--Peru--Lima Metropolitan Area.
Princeton subject headings:
Food handling.
Sanitation, Household--Peru--Lima Metropolitan Area.
Sewage irrigation--Peru--Lima Metropolitan Area.
Water in agriculture--Peru--Lima Metropolitan Area.
Water reuse--Peru--Lima Metropolitan Area.