TY - JOUR AU - Science and Technology, Naresuan University Journal: PY - 2020 TI - Principles JF - Naresuan University Journal: Science and Technology (NUJST); Vol 28 No 1 (2020): January - March 2020 KW - N2 - UR - https://www.journal.nu.ac.th/NUJST/article/view/2711