The application of blockchain with a comparative approach and its impact on risk, flexibility and internal control evaluation by mohammadsadegh aminipoor, HamidReza GholamniaRoshan, azadeh kiapour, Iman Dadashi

“…Cochran's formula for limited communities has been used to calculate the sample size, and the statistical sample size reached 288 samples, and 320 questionnaires were distributed among them for greater certainty. …”
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