The Journal of King Mongkut's University of Technology North Bangkok
วารสารวิชาการพระจอมเกล้าพระนครเหนือ

Surachai Khankaew
Program of Digital Printing and Packaging Technology, Faculty of Mass Communication Technology, Rajamangala University of Technology Thanyaburi, Pathum Thani
Thailand

Areerat Photirattanasangchai
Program of Digital Printing and Packaging Technology, Faculty of Mass Communication Technology, Rajamangala University of Technology Thanyaburi, Pathum Thani
Thailand