Open Textbooks
Free Electrical Engineering Textbook Initiative
Directory of Open Access Books (DOAB)
National Science Digital Library (NSDL)
PHET – Interactive Simulations for Science and Math
SOFA – Simulation Open Framework Architecture
John Hopkins School of Public Health (JHSPH) OpenCourseWare
OASIS (Openly available sources integrated search)
MERLOT (Multimedia Educational Resource for Learning and Online Teaching)
Computer Aids for Chemical Engineering (CACHE) teaching resources
General Statistics Office of Vietnam
Directory of Open Access Journals (DOAJ)