1.
Kar R, Shaw A. Analysis of Digital Competencies of 21st Century Teachers of Mathematics Education by Pentagonal Fuzzy Number and Some of Its Arithmetic Operations. JELMaR [Internet]. 28May2021 [cited 20Dec.2025];2(1):51-8. Available from: https://jelmar.wisnuwardhana.ac.id/index.php/jelmar/article/view/39