Cost of Cultivation of Agricultural Crops - Maha 1984/ 85 :  Volume II - Other Field Crops /  English. 
Department of Agriculture Peradeniya. 
 - Peradeniya:  Department of Agriculture,  1985. 
 - 74 p.:  ill. tables ;  20cm. 
<br/><br/><label>Dewey Class. No.: </label>X633:338.5  / DIV