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| 100 | _ael-sokkary,ibrahim hassain abdo | ||
| 245 | 2 | _aa study of some aspects of the chemistry of soil potassium in some soils of the u.a.r. el-sokkary,ibrahim abdo | |
| 260 | _a1st ed. | Alexandria Alexandria University | ||
| 260 | _c1965 | ||
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