اي مما يلي يعد موردا طبيعيا غير متجدد. أي مما يلي يعد موردا ً طبيعيا ً غير متجدد

"The story of phosphorus: Global food security and food for thought" "Low Carbon Desalination: Status and Research, Development, and Demonstration Needs, Report of a workshop conducted at the Massachusetts Institute of Technology in association with the Global Clean Water Desalination Alliance"
Paul Weiss chairman of renewable resources study 1962 National Academy of Science, National Research Council, Washington D

طاقة غير متجددة

Principles of Soil Conservation and Management.

2
موارد متجددة
Committee on 21st Century Systems Agriculture 2010
طاقة غير متجددة
"The story of phosphorus: Global food security and food for thought"
طاقة غير متجددة
National Academy of Science, National Research Council, Washington D
United States Department of Agriculture, Alternative Farming Systems Information Center United States Department of Agriculture, Alternative Farming Systems Information Center
"Low Carbon Desalination: Status and Research, Development, and Demonstration Needs, Report of a workshop conducted at the Massachusetts Institute of Technology in association with the Global Clean Water Desalination Alliance" Rural Science Graduates Association 2002

الموارد الطبيعية

Jan Hamrin, Chapter 1, The Renewable Energy Policy Manual, Organization of American States, undated.

أي مما يلي يعد موردا ً طبيعيا ً غير متجدد
Committee on 21st Century Systems Agriculture 2010
الموارد الطبيعية
Principles of Soil Conservation and Management
الموارد الطبيعية
Jan Hamrin, Chapter 1, The Renewable Energy Policy Manual, Organization of American States, undated