Goldnman, Grata <br/><br/>
පලිබෝධනාශක සහ ඔබ 
 Palibodhanaashaka saha oba 

 -  Govi thorathuru madhyasthanaya  1991 
 - 37p.,  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pest <br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>63   / OLD