Prasetyo PW, Ardiyansyah M. GARDNER PROBLEM REVISITED: FURTHER PROPERTIES OF INDAH RADICAL. BAREKENG: J. Math. & App. [Internet]. 8Apr.2026 [cited 9Apr.2026];20(3):2339-48. Available from: https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/21435