Articles by keywords "STATISTICS%20;%20HIGHER%20EDUCATIONAL%20INSTITUTES%20;%20STUDENT%20CONTINGENT;%20STRUCTURAL%20CHANGES%20FOR%202006%E2%80%932013%20YEARS%20;%20TYPES%20OF%20INSTITUTES%20;%20LEARNING%20FORMS;%20REGIONAL%20DISPROPORTIONS%20;%20RESEARCH%20ACTIVITY%20OF%20STUDENTS"