00607nam a2200181Ia 4500 0000021449 20251012174641.0 s1993 uk eng c 082132067X SB317.D82 Duckweed aquaculture A new aquatic farming system for developing countries Paul Skillicorn, William Spira and William Journey Washington, D.C. The World Bank 1993 50 leaves 28 cm. Bibliography: leaves 47-49 Duckweeds Duckweeds- Developing countries Duckweeds- Utilization 8037 8037