Research Department
Research Journal
Bull. Fac. Sci., Assiut University, 71516 Assiut, Egypt
Research Member
Research Publisher
Fac. Sci., Assiut University, 71516 Assiut, Egypt
Research Rank
2
Research Vol
Vol. 22, No. 2-A
Research Year
1993
Research Pages
pp. 13 -24