List of Articles Bitcoin Open Access Article Abstract Page Full-Text 1 - Study and Research on the Six-Year Process of Bitcoin Price and Return Mehrzad Alijani Bahman Banimahd Mehdi Madanchi 10.22034/amfa.2019.577434.1126 Open Access Article Abstract Page Full-Text 2 - Measurement of Bitcoin Daily and Monthly Price Prediction Error Using Grey Model, Back Propagation Artificial Neural Network and Integrated model of Grey Neural Network Mahdi Madanchi Zaj Mohammad Ebrahim Samavi Emad Koosha 10.22034/amfa.2020.1881110.1315