Natural resources conservation

Antzeko izenburuak

• Water technology management v.1
  Argitaratua: (2001)
• Encyclopedia of environment and pollution control, Vol.3: Hazardous materials and waste management, A guide for the professional hazards manager
  nork: Cheremisinoff, Nicholas P; Cheremisinoff, Paul N
  Argitaratua: (2003)
• Grzimek's Encyclopedia of ecology
  nork: Grzimek, Bernhard
  Argitaratua: (1976)
• Macmillan dictionary of the environment
  nork: Allaby, Michael
  Argitaratua: (1985)
• Dictionary of the environment
  nork: Allaby, Michael
  Argitaratua: (1979)