[1]
Yenni, R.F. et al. 2014. Desain Aturan Sinus dan Aturan Cosinus Berbasis PMRI.
Jurnal Pendidikan Matematika dan Sains
. 2, 2 (Dec. 2014), 97–108. DOI:https://doi.org/10.21831/jpms.v4i2.7160.