Amalia, L. ., H. Hamidah, and V. . Ayuningtyas. “THE EFFECT OF THE THREE-STEP INTERVIEW TYPE COOPERATIVE LEARNING MODEL ON THE MATHEMATICAL COMMUNICATION SKILLS OF MTS ROUDOTUSSALAM STUDENTS ON TRIANGULAR AND QUADRILATERAL MATERIAL”. Tesseract: International Journal of Geometry and Applied Mathematics, vol. 1, no. 2, July 2023, pp. 60-66, doi:10.57254/tess.v1i2.12.