SuarcitaG. P., AstawaI. W. P., and SuarsanaI. M. “DEVELOPMENT OF INTERACTIVE DIGITAL TEACHING MATERIALS WITH A MULTI-REPRESENTATION APPROACH TO ROUND NUMBER MATERIALS FOR VII CLASS TUNARUNGU SMPLB STUDENTS”. Akademika : Jurnal Teknologi Pendidikan, Vol. 9, no. 01, May 2020, pp. 69-84, doi:10.34005/akademika.v9i01.731.