Birefringence Websites
Gem Hut - Gemstones and Jewelry Settings
Serving the Internet with fine and rare colored gemstones from around the world.
1,314,413 
$ 480.00
Gemology World - Canadian Institute of Gemmology
Dedicated to research and advance in education in the field of gemmology. Gemlab Research & Technology. Gemological Books and Instruments. Professional Development.
1,339,548 $ 480.00
Home | International Journal of Electronics Communication and Computer Engineering (TM)
International, Journal,Computer Science, Engineering, Information, Technology, Electronics, Communication, Electrical, Telecommunication, Mechanical, Simulation,Civil,Submission , VLSI , MatLab, Programing,International Journal of Engineering Innovation and Research, artificial intelligence,soft computing,...
1,810,104 $ 480.00