Astuti, M., K. Kartono, and N. Dewi. “The Implementation Of Feedback In Means-Ends Analysis Of Student’s High-Level Mathematic Thinking Ability”. Journal of Education and Learning Mathematics Research (JELMaR), Vol. 3, no. 2, Nov. 2022, pp. 119-26, doi:10.37303/jelmar.v3i2.83.