(1)
Anatolievich Ostanin, V.; Aleksandrovich Kosenko, V.; Vladimirovna Glukhova, Z. Discretionary Principles of Management: Justification of Practical Application in the Customs Service. IJET 2018, 7 (4.38), 375-378. https://doi.org/10.14419/ijet.v7i4.38.24585.