Contains thousands of digitized science and technology resources in various formats (text and video/audio) placed in specially designed “pods” set in a user-friendly interface. 

Link: http://www.stii.dost.gov.ph/projects/starbooks

It is freely accessible search engine that let the user look for both digital and physical copies of articles.

Link: https://scholar.google.com/

Open thesis is a free repository of thesis, dissertations, and other academic documents.

Link: https://oatd.org/

It is economics and business studies journals you can search literature and other related studies to your research.

Link: https://www.econbiz.de/

Scholarly publisher of academic journals and books in the fields of management, business, education, library studies, health care.

Link: https://www.emerald.com/insight/

It is an online directory that indexes and provide access to high quality, open access, and pre-reviewed journals.

Link: https://doaj.org/