D-Scholarship
D-Scholarship@Pitt is an institutional repository for the research output of the University of Pittsburgh. D-Scholarship@Pitt provides stable, long-term storage and ongoing maintenance for content contained within the repository. D-Scholarship@Pitt is based on Open Access principles; all materials in the repository are freely accessible to the global research community. Materials are submitted directly by authors with an active University of Pittsburgh Computer Account. Submissions are restricted to scholarly research materials.
dissexpress
The fastest way to identify and validate a dissertation is to enter the ProQuest publication number. If you don't have this, enter a word or phrase into the search terms field or the author's last name and the first four words of the dissertation title.
dart-europe
این مرکز در سال 2005، با مشارکت کتابخانههای ملی، دانشگاهی و کنسرسیومهاي 29 كشور اروپايي جهت بهبود دسترسی جهانی به پایان نامههای پژوهشی اروپایی تاسیس شد. در این سایت، دسترسی به بیش از یک میلیون پایان نامه از 579 دانشگاه اروپایی امکان پذیر است