Author Details

deepho, jitsupa, Faculty of Science, Energy and Environment, King Mongkut’s University of Technology North Bangkok, Rayong Campus (KMUTNB-Rayong), 19 Moo 11, Tambon Nonglalok, Amphur Bankhai, Rayong 21120, Thailand, Thailand

The Thai Journal of Mathematics organized and supported by The Mathematical Association of Thailand and Thailand Research Council and the Center for Promotion of Mathematical Research of Thailand (CEPMART).

Copyright 2020 by the Mathematical Association of Thailand.

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|ISSN 1686-0209|