TY JOUR TI Professional standards as tool to improve efficiency of enterprise employee management KW qualifications market KW labor market KW professional standard KW labor resources KW qualifications KW labor functions KW application of professional standards KW staff development and professional development KW qualifications system JO Vestnik of Astrakhan State Technical University. Series: Economics AU Fadeeva, I.. AU Bogachkova, S.. PY 2022 IS PB Astrakhan State Technical University