YASNOLOB, I., GORB, O., OPARA, N., SHEJKO, S., PYSARENKO, S., MYKHAІLOVA, O., & MOKIIENKO, T. (2019). The Formation of the Efficient System of Ecological Enterprise. Journal Of Environmental Management And Tourism, 9(5), 1052-1061. doi:10.14505//jemt.9.5(29).17