Control of Africa's floating water weeds : proceedings of a workshop / edited by Anettee Greathead and Peter De Groot - London : Commonwealth Science Council, 1993 - v, 187 pages : illustrations ; 29 cm - CSC (93) AGR- 18 ; Proceedings 295 . - CSC (93) AGR- 18 ; Proceedings 295 .

This worlshop was held in Zimbabwe, June 1991


Aquatic weeds --Congresses--Africa

SB614 C66