Eryanti, Ika, Emmanuel Kwadzo Sallah, and Emmanuel Gakuba. “Analysis of Algebraic Thinking Ability of Vocational High School Students in Solving SPLDV Problems”. International Journal of Progressive Mathematics Education 2, no. 1 (June 30, 2022): 35–47. Accessed July 16, 2024. https://journal.uhamka.ac.id/index.php/ijopme/article/view/8878.