About this article
Published Online: Oct 04, 2023
Page range: 67 - 73
Accepted: Jun 30, 2023
DOI: https://doi.org/10.2478/forma-2023-0007
Keywords
© 2023 Yasushige Watase, published by Sciendo
This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Public License.
Watase, Yasushige
Tokyo, Japan