Orlov, O.Ryasnykh, E.2019-11-062019-11-062015-06Oliver Orlov. Evaluation of investments increation of new products in mechenical engineering / Oliver Orlov, Yevgeniya Ryasnykh // Internayional journal of Economics and Society. - Memphis, USA, 2015. - June, lss. 2. - P. 87-92.https://elar.khmnu.edu.ua/handle/123456789/7841ennew productsmarginal profitСтаття