[1]
Santosa, R.G. and Tampubolon, J.K. 2020. Pelatihan Cara Berpikir Simbolik-Matematik di SMA BOPKRI 2 Yogyakarta. International Journal of Community Service Learning. 4, 1 (May 2020), 35–43. DOI:https://doi.org/10.23887/ijcsl.v4i1.23099.