Hul Ivan Grygorovych, Zavydivska Olga Igorivna, Moroz Volodymyr Pavlovych, и Mandryk Vasyl Olegovych. 2020. «ECONOMIC AND MATHEMATICAL MODEL FOR FORECASTING DIRECTIONS OF DEVELOPMENT OF HUNTING ENTERPRISES». «Вестник НАН РК», вып. 3 (июнь):132-39. http://189185.vm7pq.group/bulletin-science/article/view/480.