Structure and Bonding
http://www2.hkedcity.net/sch_files/a/scg/scg-chem/visitor_cabinet/5324/Nchapter4.pdf
Physical Metallurgy
https://web.wpi.edu/Images/CMS/MCSI/2006sisson3.pdf
Materials Characterization
https://www.mri.psu.edu/materials-characterization-lab/characterization-techniques
drive.google.com/file/d/1UN5ntdrPIkn5Fz5NSTDLYY9OagCTbzuO/view?usp=sharing
drive.google.com/file/d/1Wqgrukwv-AdhmMJHG2iIxL2doiIDkibC/view?usp=sharing
