On the spectra and pseudospectra of a class of non-self-adjoint random matrices and operators SN Chandler-Wilde, R Chonchaiya, M Lindner arXiv preprint arXiv:1107.0177, 2011 | 33 | 2011 |

Developing Students’ Mathematical Critical Thinking Skills Using Open‐Ended Questions and Activities Based on Student Learning Preferences N Monrat, M Phaksunchai, R Chonchaiya Education Research International 2022 (1), 3300363, 2022 | 30 | 2022 |

Eigenvalue problem meets Sierpinski triangle: computing the spectrum of a non-self-adjoint random operator S Chandler-Wilde, R Chonchaiya, M Lindner arXiv preprint arXiv:1003.3946, 2010 | 25 | 2010 |

Upper bounds on the spectra and pseudospectra of Jacobi and related operators SN Chandler-Wilde, R Chonchaiya, M Lindner preparation, 0 | 10 | |

Computing the spectra and pseudospectra of non-self-adjoint random operators arising in mathematical physics R Chonchaiya University of Reading, Department of Mathematics and Statistics (School of …, 2011 | 9 | 2011 |

On spectral inclusion sets and computing the spectra and pseudospectra of bounded linear operators S Chandler-Wilde, R Chonchaiya, M Lindner Commun. Math. Phys 216, 687-704, 2001 | 5 | 2001 |

Convergent spectral inclusion sets for banded matrices SN Chandler‐Wilde, R Chonchaiya, M Lindner PAMM 23 (4), e202300016, 2023 | 1 | 2023 |

Identifying common errors in polynomials of eighth grade students T Ekamornaroon, PS Ngiamsunthorn, M Phaksunchai, R Chonchaiya Int J Eval & Res Educ 13 (1), 57-68, 2024 | | 2024 |

A study on the development of eleventh grade students’ critical thinking skills and self-efficacy using active learning pedagogy with gamification A Supnoon, R Chonchaiya International Journal of Education and Practice 12 (2), 447-466, 2024 | | 2024 |

A Study on the Mathematical Anxiety that Affects Mathematical Reasoning Ability on Prior Knowledge of Triangles for Learning Geometric Congruence Grade 8 Students N Jeerawattana, R Chonchaiya, M Phaksunchai Conference Proceedings. The Future of Education 2021, 2021 | | 2021 |

A Study on Flipped Classroom based on Donald and Maki’s Approach for Developing Mathematical Connection in Exponential and Logarithmic Functions to Real-Life Situations for … S Sengsamak, R Chonchaiya, C Toopsuwan Conference Proceedings. The Future of Education 2021, 2021 | | 2021 |

The Development of a STEAM-Based Learning Unit to Promote High School Students’ Understanding of Ceramic Concept W Ritmuan, R Chonchaiya, P Duangpummet Conference Proceedings. The Future of Education 2021, 2021 | | 2021 |

International Conference on Aplied Statistic 2014 M Yazid, T Sudarmadji International Conference on Applied Statistics 2014 (ICAS), 2014 | | 2014 |

The AIDs incubation distribution function R Chonchaiya Chulalongkorn University, 2003 | | 2003 |

Spectral approximations and spectral inclusion sets for non-self-adjoint tridiagonal and band-dominated operators S Chandler-Wilde | | |

Random Tri-Diagonal Operators S Chandler-Wilde | | |

Approximating the spectrum and pseudospectrum of a non-self-adjoint random tridiagonal operator R Chonchaiya | | |