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A natural resource accounting analysis of the contribution of mineral resources to sustainable development in South Africa
Blignaut, James N., (2001)
Environmental accounting in action : case studies from Southern Africa
Lange, Glenn-Marie, (2003)
Mineral resource accounting measures in Africa
Sopp, Louis Moussi, (2017)
Nominal and effective protection in the Egyptian agricultural sector : A multicommodity analysis
Hassan, Refat, (1992)
Effective protection in the Egyptian agricultural sector
Hassan, Refaat, (1991)
By-products and effective protection
Greenaway, David, (1994)