Johanna Purba M, Gorky Sembiring M, Sitompul P. The Effect of Mathematical Connection and Critical Thinking Skills on Mathematical Problem Solving Skills of Vocational School Students . jrssem [Internet]. 2026 Jan. 30 [cited 2026 Apr. 18];5(6):9994-10014. Available from: https://www.jrssem.publikasiindonesia.id.solusipublish.com/index.php/jrssem/article/view/1299