文献查找工具 DOAJ
DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community
DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community
当今科学界最具争议性的项目。Sci-hub的目标是 免费并且不受限制地 提供所有科学知识。