Enlace original:
https://cgspace.cgiar.org/handle/10568/54298
Leihner, D.E.
,
Doll, Jerry D.
,
Fuentes de Piedrahíta, Cilia L.
,
Fernández, F.O.
,
[Study guide to be used as a supplement to the audiotutorial unit in the same topic]
,
[The biology and control of purple nutsedge (Cyperus rotundus L.)]
,
The biology and control of purple nutsedge (Cyperus rotundus L.)