Sutrisna, Ditta Febriany, Jondri Jondri, and Aniq Atiqi Rohmawati. 2016. “PREDIKSI CRASH SAHAM MENGGUNAKAN LOG PERIODIC POWER LAW DENGAN NONLINEAR OPTIMIZATION (STUDI KASUS: PASAR SAHAM INDONESIA)”. Indonesian Journal on Computing (Indo-JC) 1 (1):107-14. https://doi.org/10.21108/INDOJC.2016.1.1.10.