TY JOUR TI Tax Planning: Optimization of a Taxation Basis on Profi t Tax KW taxation KW tax planning KW tax control KW taxes optimization KW profit KW income tax KW doubtful debt allowance KW depreciation allowance KW investment tax deduction JO Auditor AU Klonickaya, A.Y. PY 2019 IS 5 PB INFRA-M Academic Publishing LLC.