I. Fery, “IMPAIRMENT IN VALUE OF PSAK 7 FINANCIAL ACCOUNTING STANDARDS, CLASSIFICATION OF ACCOUNTING MEASUREMENTS IN HEDGING COMPANIES IN THE BANKING SECTOR DUE TO CORONA VIRUS”, J. Manag. Account. Gen. Financ. Int. Econ. Issues, vol. 1, no. 4, pp. 219–240, Aug. 2022.