Ade Andriani IDNS. Students’ Thinking Process in Solving Abstraction Problems in Mathematics: A Case Study on Limited Test of Development Research Instrument. TURCOMAT [Internet]. 2021 Apr. 5 [cited 2025 Oct. 13];12(6):2594-601. Available from: https://www.turcomat.org/index.php/turkbilmat/article/view/5705