Indexing & Abtracting Services


Scopus is owned by Elsevier and is the largest abstract and citation database of peer-reviewed literature.

Directory of Open Access Journals (DOAJ)

DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.

ASEAN Citation Index (ACI)

ACI is a central, regional database which was designed and set up to index all the bibliographic records and the citations of quality ASEAN research outputs.

Aquatic Sciences and Fisheries Abstract (ASFA)

ASFA is the premier reference in the field of fisheries, aquatic, and marine sciences. ASFA is managed by the Food and Agriculture Organization (FAO) of the United Nations.

Google Scholar

Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines.

Andrew Gonzalez Philippine Citation Index (AGPCI)

AGPCI is a journal indexing and citation database for Philippine academic journals. It aims to assist local journals improve their quality and attain international accreditation.

Digital Repository

Aquatic Commons (soon to be AquaDocs)

Aquatic Commons is a thematic digital repository covering the natural marine, estuarine, or brackish, and freshwater environments. Aquatic Commons is hosted and maintained by the UNESCO Intergovernmental Oceanographic Commission.

Metadata Management


CrossRef is one of the DOI Registration Agencies and offers global reference linking. They specialize in research outputs that are text-based, such as journals, books, and conference proceedings. Each metadata record of the journal includes a persistent identifier called a digital object identifier (DOI) that stays with the work even if it moves websites. Though the DOI doesn’t change, its associated metadata is kept up-to-date by us.