TY JOUR TI Contract pricing management in the life cycle of highly science-intensive products as a factor in the economic security of an enterprise in a competitive environment KW life cycle KW costs KW method KW model KW profit KW principle KW price JO The Economy under Guard AU Chebotarev, S.S. PY 2022 IS 2022 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia