Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites.


The CHED Journal Accreditation Service (JAS) is a research promotion initiative that prescribes a mechanism through which a national standard for peer-review and journal refereeing system can be implemented uniformly for all research journals published by Philippine colleges and universities and other organizations.


The aim of the DOAJ is to increase the visibility and ease of use of open access scientific and scholarly journals, thereby promoting their increased usage and impact. The DOAJ aims to be comprehensive and cover all open access scientific and scholarly journals that use a quality control system to guarantee the content. In short, the DOAJ aims to be the one-stop shop for users of open access journals.


CrossRef is a  not-for-profit network founded on publisher collaboration, with a mandate to make reference linking throughout online scholarly literature efficient and reliable and develop other services that are best achieved through collaboration. CrossRef is a DOI Registration Agency and is committed to long term sustainability.