Ratnayake, L.L. Jayasinghe, C.
Black spots with unprotected road user involvement - [s.l.]\\ [s.n.] 2003 - 48p. : ill.
TRANSPORTATION-Accident prevention
TRANSPORTATION-Sri Lanka
ROAD SAFETY-Sri Lanka
ACCIDENT BLACK SPOTS
656:081 / R3
Black spots with unprotected road user involvement - [s.l.]\\ [s.n.] 2003 - 48p. : ill.
TRANSPORTATION-Accident prevention
TRANSPORTATION-Sri Lanka
ROAD SAFETY-Sri Lanka
ACCIDENT BLACK SPOTS
656:081 / R3