dagonboy

 5810110114 ณัฐวุฒิ ชุมจิตร  https://drive.google.com/file/d/1pJWPVJkXqP-W5WTOlX75Q2nIBjNj26UE/view?usp=sharing

  https://engfanatic.tumcivil.com/engfanatic/software

 https://today.line.me/th/v2/article/Mmjq2j

 https://solidface.com/free-autocad-alternatives/

 http://143.54.226.61/~guidi/grad/MAT01169/introscilab.pdf https://drive.google.com/file/d/1s1X8IY7YoCF1JxI9-GdPm8SqHQWc-NOu/view?usp=sharing

 http://ict.ssru.ac.th/E-Book/Chapter4.pdf