Dear Colleagues,

In the second half of 2020, The International Scientific Journal of Engineering and Technology (ISJET) would be four years old, and it is a pleasure to present the second issue of 2020. This new issue of ISJET highlights multidisciplinary contents, which include six original research articles involving with a work related to an optimization for production planning, a steel tube production planning and scheduling, an effect of gamification on education, a bullwhip effect prediction in a single echelon supply chain, a factors influencing the microstructure and corrosion resistance of austenitic and duplex stainless, and an augmentation for image classification.

I would like to take the opportunity to thank all of those who have contributed to our journal. All authors and readers from around the world are invited to visit the website https://www.tci-thaijo.org/index.php/isjet/index. This link will grant you submit your research to publish in our journal or will access to electronic versions of all issues of our journal. I look forward to hearing from you.

With kind regards,
Dr. Tantikorn Pichpibul
Associate Editor of Logistics and Transportation