00459    a2200109   4500082001500000245017700015260005000192300002100242650003300263650002000296650003300316  a333.7bENV  aEnvironmental management  in Sri Lankabreport of the sub-committee appointed by the ministry of planning and employment to study environmental management in Sri Lanka 1973  aColombobNational Science Councilc1973g1973  aiii, 65p.c24cm.  aECONOMICS OF LAND AND ENERGY  aSOCIAL SCIENCES  aNATURAL RESOURCES AND ENERGY