Aini, S. D., Zayyadi, M. and Saleh, K. A. (2020) “WRITTEN MATHEMATICAL COMMUNICATION SKILLS ON OPEN-ENDED PROBLEMS: IS IT DIFFERENT BASED ON THE LEVEL OF MATHEMATICS ABILITY?”, MaPan : Jurnal Matematika dan Pembelajaran, 8(2), pp. 179–204. doi: 10.24252/mapan.2020v8n2a2.