หนังสือ TEXT BOOK Manufacturing Process

https://www.dropbox.com/s/9krtdcazqzm638j/Serope%20Kalpakjian_%20Stephen%20R.%20Schmid_%20Chih-Wah%20Kok-Manufacturing_%20Engineering%20and%20Technology%20SI-Pearson%20Education%20%282009%29_2.pdf?dl=0