Нарбеков Н.Н, and Парманов Н.Н. “ИССЛЕДОВАНИЕ КЛАССИФИКАЦИИ И ИНЖЕНЕРНЫХ СРЕДСТВ ДЛЯ ДОЗИРОВАНИЯ”. INNOVATIVE DEVELOPMENTS AND RESEARCH IN EDUCATION, vol. 3, no. 26, Feb. 2024, pp. 42-46, https://interonconf.org/index.php/idre/article/view/12017.