J. D. Putriani, Z. Zulkardi, E. Susanti, and M. Meryansumayeka, “LEARNING DESIGN FOR LINEAR EQUATIONS IN TWO VARIABLES BASED ON THE PMRI APPROACH USING THE GOJEK CONTEXT FOR EIGHTH-GRADE STUDENTS”, Mathline, vol. 10, no. 2, pp. 313–334, May 2025.