ගෝලීය පරිසර අර්බුදය
Sandapala , Amrasena
ගෝලීය පරිසර අර්බුදය - Kurunegala Author 1999 - 188 p. Illustration 18 cm.
955967529
THE LONDON CONVENTION
THE BARCELONA CONVENTION
MARPOL
GLOBAL ENVIRONMENTAL PROBLEM
ENVIRONMENTAL SCIENCE
SOCIAL PROBLEMS & SERVICES
ELNINO
363.7 / SAN
ගෝලීය පරිසර අර්බුදය - Kurunegala Author 1999 - 188 p. Illustration 18 cm.
955967529
THE LONDON CONVENTION
THE BARCELONA CONVENTION
MARPOL
GLOBAL ENVIRONMENTAL PROBLEM
ENVIRONMENTAL SCIENCE
SOCIAL PROBLEMS & SERVICES
ELNINO
363.7 / SAN