“Understanding Concept Profile Distance Line to Line on space of Geometry High School Students Level IQ Normal in terms of Gender differences: Memahami Konsep Profil Jarak Garis ke Garis pada Ruang Geometri Tingkat IQ Siswa SMA Normal Dilihat dari Perbedaan Gender” (2017) Proceedings of The ICECRS, 1(2), p. picecrs.v1i2.1440. doi:10.21070/picecrs.v1i2.1440.