Encyclopaedia of ecology, environment and pollution: vol.3-Environment and Buddhism /

Cyhoeddwyd 1998

Encyclopaedia of ecology, environment and pollution: vol.vi-science, technology and environment /

Cyhoeddwyd 1998

Encyclopaedia of ecology, environment and pollution: vol-ix the wildlife alongwith the wildlife (protection)act, 1972 /

Cyhoeddwyd 1998

Encyclopaedia of ecology, environment and pollution: vol-x the water (prevention and control of pollution) act, 1974 /

Cyhoeddwyd 1998

Encyclopaedia of ecology, environment and pollution: vol-xi the air (prevention and control of pollution) act, 1981 rules 1982 notifications /

Cyhoeddwyd 1998

Encyclopaedia of ecology, environment and pollution: vol-xii the environment (protection) act, 1986; the environment (protection) rules, 1986 and notifications /

Cyhoeddwyd 1997

Encyclopaedia of ecology, environment and pollution: vol-xiii insurance and the Public Liability Insurance Act, 1991 /

Cyhoeddwyd 1998

Encyclopaedia of ecology, environment and pollution: vol-xiv the National Environment Tribunal Act, 1995 /

Cyhoeddwyd 1997

Encyclopaedia of ecology, environment and pollution: vol-xv compendium of environment terms /

Cyhoeddwyd 1998