MATERIALS AND TESTING OF MECHANICAL ENGINEERING / by Norazmein Abdul Raman, contributor, Shamsul Sarip, contributor, Sa'ardin Abdul Aziz, contributor, Mohamed Azlan Suhot, contributor, Roslina Mohammad, contributor, Shamsul Sarip, editor, Mohamad Zaki Hassan, contributor, Mohd. Yusof Md. Daud, contributor