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. 2024, 10, 192-209.