Yanti, Fitri Rahma, Wildian Wildian, and Premana W. Premadi. 2016. “Laju Pengembangan Alam Semesta Berdasarkan Data Supernova Tipe Ia”. Jurnal Fisika Unand 5 (4):378-83. https://doi.org/10.25077/jfu.5.4.378-383.2016.