Chernobay, L. I.     Expenditures algorithm formation on export activities based on economic entity involvement stages to foreign market [Текст] / L.I. Chernobay, N.O. Vatsyk // Economics, Entrepreneurship, ManagementVol. 1. Vol. 1. № 2 ; Lviv Polytechnic Nat. Univ. ; ed.-in-chief O. Kuzmin - Lviv : Lviv Polytechnic Nat. Univ. , 2014. — P. 61-71.