Journal article Yüksek İdarecilik Mektebi ; Henley-On-Thames, İngiltere G F EVANSVAUGHAN Published1955-04-01Pages0-0Article typeResearch PaperLanguagetr DOI10.1501/SBFder_0000000216 ↗ Read at the publisher ↗ View PDF ↗ 59 views · 9 downloads