CLR.Databases Cambridge University Press Oxford University Press EBSCO O’REILLY MIT Open CourseWare SciVal ScienceDirect Scopus Online access to research in the environment (OARE) JSTOR ProQuest Central ProQuest Ebook Central Directory of Open Access Journals (DOAJ) Bielefeld Academic Search Engine (BASE) SAGE Open Journals SAGE Research Methods South African Journal of Science IMF Data US Congress GTD Web of ScienceDatabase PNAS Alexander Street
