TUBITAK-ULAKBIM provides academic free e-books and periodicals. The most of the content is in English. To browse databases, click the links in the first column.
LINK: https://cabim.ulakbim.gov.tr/ekual/e-veri-tabanlari/universiteler/
IMPORTANT NOTE: Please change PROXY SETTINGS of your browser to access from outside the institution. https://kddb.