00690naa#a2200193#i#450# EN\\bibl\20860 20241123082938.6 1993-7768 20180504b2018####ek#y0engy0150####ca RUS RU Econometric forecasting of the influence of production factors on the cost price reduction of a product Journal article CHERKIZOVO Russian State University of Tourism and Service 2018 10 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti Zaernyuk Viktor Filimonova Nadezhda N. rguts.editorum.ru