Safarov J.E., Sultanova Sh.A., Samandarov D.I., Zulpanov Sh.U. “Energy-Efficient Technologies For Primary Processing Of Silkworm Cocoons”. International Journal of Advanced Science and Technology, Vol. 29, no. 9s, May 2020, pp. 5829-33, http://sersc.org/journals/index.php/IJAST/article/view/18633.