Kairat Rizabekovich Uteulin, и Kabyl Zhambakin. 2020. «ON THE NEED TO DEVELOP TECHNOLOGIES FOR PRODUCING BIOPLASTICS IN KAZAKHSTAN». «Доклады НАН РК», вып. 5 (октябрь):42-48. http://189185.vm7pq.group/reports-science/article/view/1038.