١٩- schulter, W.C. How to do Research work.
"new york, Prentice, hall, inc, ١٩٢٧".
٢٠- se Boyar, G.E.: A Manual for repoet and thesis writ-ing.
"new york: f.s. Crofts and co., ١٩٢٩".
٢١- seward, s.s: note-taking.
"Boston: allyn and bacon ١٩١٠".
٢٢- seyfried j.e.: Principles and michanics of reserch.
"the university of new mexico prss ١٩٣٥".
٢٣- trelease, S.f. and Yule, E.S.: Preparation of sceintific and technical papers.
"poltimore: the Williams and wilkins Co,. ١٩٢٧".
٢٤- Tueabian, K,L.: A Manual for Writers of Dissertations.
"the University of Chicago bookstore, ١٩٣٧".
٢٥- Valline, G.H.: Good English and How to write in.
"PAN-books, London, ١٩٥١".
٢٦- Walker, H.M. and Dorost, W.: Statstical tobles: Their Structure and use.
"new york: teachers College, Columbia University ١٩٣٥".
٢٧- whitney, F. L.: Elements of Reserch.
"new york. Prentic-Hall, Inc, ١٩٣٧".
رقم الإيداع: ١٠٤٢٥/ ٩٧
الترقيم الدولي:
I.S.B.N
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