මහවැලි : ව්යාපාර සහ අරමුණු 1982
Mahaweli projects & programme 1982
- Colombo 1981
- 52p.: ill.: maps.
copies in Sinhala & English
HYDRAULIC ENGINEERING
626(548.7) / S7
copies in Sinhala & English
HYDRAULIC ENGINEERING
626(548.7) / S7