Wahyuni D, Nurwiani N, Masruroh F. The effect of memorize trigonometry fingers teaching tools on students’ motivation and learning outcomes at state senior high school 1 Ngronggot. J. Math Educ. Nusant. Wahana Publ. Karya Tulis Ilm. di Bid. Pendidik. Mat. [Internet]. 2024 May 31 [cited 2024 Dec. 22];10(1):192-209. Available from: https://ojs.unpkediri.ac.id/index.php/matematika/article/view/22191