කාර්යාල කළමනාකරණය
Kaaryaala kalamanaakaranaya
- Colombo Institute of Transport Management [n.d.]
- 12p.
Text in Sinhala
OFFICE MANAGEMENT-TRANSPORT BOARD
TRANSPORTATION-SRI LANKA
656(548.7) / C4
Text in Sinhala
OFFICE MANAGEMENT-TRANSPORT BOARD
TRANSPORTATION-SRI LANKA
656(548.7) / C4