Nainggolan, S. P. . (2022). Analysis of Mathematical Communication Ability Participants of the National Science Olympiad (OSN) for City/Regency Junior High Schools in Kupang Seen from a Gender Perspective. Jurnal Pendidikan Dan Konseling (JPDK), 4(4), 4667–4673. https://doi.org/10.31004/jpdk.v4i4.6205