Columbia subject headings:
Agricultural innovations--Congresses.
Food industry and trade--Moral and ethical aspects--Congresses.
Food supply--Congresses.
Harvard subject headings:
Agricultural innovations--Congresses
Food industry and trade--Moral and ethical aspects--Congresses.
Food supply--Congresses
Princeton subject headings:
Agricultural innovations--Congresses.
Food industry and trade--Moral and ethical aspects--Congresses.
Food supply--Congresses.