Diseases of crop plants. Vol.II 
<label>;</label> Senaratna, Lilani K. <label>;</label> Wijesundera, R.C.L. 
 - Nugegoda  Open University of Sri Lanka  1997 
 - xxv, 105p.  ill.  28 cm. 
 - Bachelor of science, level 5 : BTU 3102 plant   pathology 1 .
<br/><br/><label>Dewey Class. No.: </label>632.3  / DIS