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.

Centre for Agriculture and Bioscience International (CABI)

CABI is a not-for-profit, international treaty organization dedicated to the dissemination of scientific knowledge. CABI has a long-established reputation in the applied life sciences, having begun indexing scientific literature in 1913. This extensive archive is currently being made available in electronic form.

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


AquaDocs is the joint open access repository of the UNESCO/IOC InternationaI Oceanographic Data and Information Exchange (IODE) and the International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC) with support from the FAO Aquatic Sciences and Fisheries Abstracts. It is a thematic repository covering the natural marine, coastal, estuarine/brackish and fresh water environments and includes all aspects of the science, technology, management and conservation of these environments, their organisms and resources, and the economic, sociological and legal aspects


Scilit is a database of scholarly works developed and maintained by the open-access publisher MDPI. The name Scilit uses components of the words “scientific” and “literature.”

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.