Sulistyowati F, Hartanti S, Widodo SA, Putrianti FG. Critical Thinking Skills in Phlegmatic Students Using Learning Videos. J. Math Educ. Nusant. Wahana Publ. Karya Tulis Ilm. di Bid. Pendidik. Mat. [Internet]. 2022 Nov. 30 [cited 2024 Dec. 22];8(2):119-33. Available from: https://ojs.unpkediri.ac.id/index.php/matematika/article/view/18874