Vol. 16 No. 9 (2019): Mathematics and Mathematical Sciences
Issue Editor: Dr. CHITNARONG SIRISATHITKUL
Walailak Journal of Science and Technology Volume 16, Number 9, September 2019
ISSN 2228-835X (Online)
This is an Open Access journal, by Walailak University.
All material is licensed under a terms of the Creative Commons Attribution 4.0 International (CC-BY-NC-ND 4.0) licence, unless otherwise stated.