Link
Personal:
My Blog (http://ki-h.blogspot.com/)
INNOACE Co., Ltd.

Association and Group:
Khronos
ACM SIGGRAPH
IEEE
Eurographics
Korea Information & Science Society (in Korean)
Korea Game Society (in Korean)

Academic Book, Journal and Magazine:
ShaderX7
Principles of Digital Image Synthesis
Physically Based Rendering (PBR & PBRT)
NVIDIA GPU Gems Series
ACM Transaction on Graphics (TOG)
IEEE Transaction on Visualization and Computer Graphics (TVCG)
IEEE Computer Graphics and Applications (CG&A)
Journal of the Optical Society of America A (JOSA A)
Applied Optics
Graphical Models
Computer Graphics Forum
The Visual Computer

Graphics Channel:
NVIDIA Developer
NVIDIA Developer Forum
GPGPU

Studio:
Industrial Light & Magic
Lucasfilm
Pixar
Rhythm & Hues

Miscellaneous:
Google
Wikipedia
ScienceDirect