TY  - BOOK
AU  - Abdel- Wahab Abdel- Maksoud Abdel-Maguid, 
AU  - Tarik M. Labib
AU  - Mohamed M. EL-Fouly
AU  - Hassan S. EL-Hassan
TI  - Evaluation Of The Natural Reservoir Of Plant Nutrients In Some Marginal Soil Types In Northern Sudan / 
PY  - 1995///
KW  - Natural Resources
N1  - Thesis (M.Sc.) -Cairo University, 1995.; Bibliography: pages 90-100
ER  -