“The Role and Importance of Outsourcing in Energy Efficiency and Energy Saving Housing Industry”, Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki, vol. 3, no. 7, pp. 7–12, Nov. 2016, doi: 10.29038/2411-4014-2016-03-7-12.