Some prospects for aquatic weed management in Guyana : workshop on aquatic wee
Workshop on Aquatic Weed Management and Utilisation; (1973
Some prospects for aquatic weed management in Guyana : workshop on aquatic wee - [S.l.] : Guyana Lithographic Co., 1973 - viii, 30, xiiip. :
632.51(28)(665.2) / W926S
Some prospects for aquatic weed management in Guyana : workshop on aquatic wee - [S.l.] : Guyana Lithographic Co., 1973 - viii, 30, xiiip. :
632.51(28)(665.2) / W926S