sampling techniques | ||||
| المجلة المصرية للدراسات التجارية | ||||
| Article 1, Volume 1, Issue 4, October 1977, Page 215-220 PDF (117.91 K) | ||||
| Document Type: المقالة الأصلية | ||||
| DOI: 10.21608/alat.1977.222158 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| William G.Cochran | ||||
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