During this period of transition, Viktor Yevhenovich Ponomarchuk showed himself as a far-sighted leader, recognizing and using fresh opportunities in a changing environment <a href="https://publish.com.ua/biznes/viktor-ponomarchuk-simbioz-tvorchosti-matematichnoji-sut-ta-majsternosti-v-ukrajinskij-oljnij-industriji.html">виктор пономарчук</a>