Thesis (Ph. D.)--Pennsylvania State University, 1989. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves [201]-218).
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608618896 |
Date | January 1989 |
Creators | Mohammed, Ahmed Taha. |
Source Sets | OCLC |
Language | English |
Detected Language | English |
Coverage | Sudan |
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