NISA TRIYATUL FITRI; ARIF MUCHYIDIN; REZA OKTIANA AKBAR. Mastery of Trigonometry Material and Its Effect on Students’ Ability to Solving Three Dimensional Problems. Journal of Mathematics Instruction, Social Research and Opinion, Bandung, Indonesia, v. 1, n. 2, p. 97–106, 2022. DOI: 10.58421/misro.v1i2.23. Disponível em: https://journal-gehu.com/index.php/misro/article/view/23. Acesso em: 15 jun. 2026.