This hungry world

Discusses the world-wide problem of food supply and some of the ways being tested to increase the quantity and quality of available food.

Detaylı Bibliyografya
Yazar: Helfman, Elizabeth S.
Materyal Türü: Kitap
Dil:English
Baskı/Yayın Bilgisi: New York Lothrop, Lee & Shepard [1970]
Konular: