Report of the commission of inquiry into the joint operation by units of the polic, army & air forse for  detection of ganja in the Alutwewa- Hambegamuwa-Kalawelgala area 1956-57 

 - Colombo  Government press  1958 
 - viii,246 p.-                                                                    Sessional paper iv-1958 
<br/><br/><label>Dewey Class. No.: </label>364.13365  / COM