Natalia Shepeleva, Sergey Ognev Optimization of the number of personnel in the conditions of restructuring of the russian coal industry on the basis of model approach // Russian Journal of Entrepreneurship. — 2015. — Vol. 16. — № 7. — p. 1049-1060. — doi: 10.18334/rp.16.7.178
Petrenko E.S., Pritvorova T.P., Dzhazykbaeva B.K. Model approach to pricing as an instrument of marketing strategy in social entrepreneurship // Russian Journal of Entrepreneurship. — 2017. — Vol. 18. — № 7. — p. 1233-1244. — doi: 10.18334/rp.18.7.37760