".....THIS TECHNICAL STUDY IS AIMED AT THE FOLLOWING AUDIENCES:
(a) established fish farmers who would like to experiment with duckweed as a fish feed, and staff of agricultural extension services involved as a fish culture;
(b) scientists of aquaculture research institutes who may initiate pilot operations and applied research on duckweed;
(c) staff of bilateral and multilateral donor agencies who may promote funding for duckweed research and pilot operations; and
(d) wastewater specialists in governments and donor agencies who may promote wastewater treatment plants based on duckweed in conjunction with fish culture....."
[from the book of the foreword by Harinder S. Kohli]