TY  - JOUR
AU  - Emami Koupaee, Saeed
AU  - Zamani, Shiva
AU  - Heidarzadeh Hanzaee, A. Reza
AU  - Shahnazari, M. Reza
TI  - Forecasting the Price of Natural Gas Using Developed Methods Based on Grays and Fractals
JO  - Financial Knowledge of Securities Analysis
VL  - 13
IS  - 46
SP  - 15
EP  - 24
PY  - 2020
DO  - 
ER  -