Sulistyowati, F., Hartanti, S., Widodo, S. A., & Putrianti, F. G. . (2022). Critical Thinking Skills in Phlegmatic Students Using Learning Videos. Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah Di Bidang Pendidikan Matematika, 8(2), 119–133. https://doi.org/10.29407/jmen.v8i2.18874