Sattarkulov, L. A. o‘g‘li, A. I. o‘g‘li Iskandarov, and Z. Q. qizi Zokirova. “EFFECT OF CHITOSAN SUBSTANCE WITH DIFFERENT MOLECULAR WEIGHTS ON PAPER QUALITY”. GOLDEN BRAIN, vol. 1, no. 20, July 2023, pp. 128-32, https://researchedu.org/index.php/goldenbrain/article/view/4470.