Wahyuni, D., Nurwiani, N. and Masruroh, F. (2024) “The effect of memorize trigonometry fingers teaching tools on students’ motivation and learning outcomes at state senior high school 1 Ngronggot”, Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika, 10(1), pp. 192-209. doi: 10.29407/jmen.v10i1.22191.