Hul Ivan Grygorovych, Zavydivska Olga Igorivna, Moroz Volodymyr Pavlovych, и Mandryk Vasyl Olegovych. «ECONOMIC AND MATHEMATICAL MODEL FOR FORECASTING DIRECTIONS OF DEVELOPMENT OF HUNTING ENTERPRISES». Научный журнал «Вестник НАН РК», вып. 3, июнь 2020 г., сс. 132-9, https://journals.nauka-nanrk.kz/bulletin-science/article/view/480.