Bakhodir Mamazhonov, Khasan Beknazarov, and Abror Nomozov. “STUDYING NITROGEN ADSORPTION TO DETERMINE THE POROSITY OF THE SYNTHESIS SORBENT”. American Journal of Engineering , Mechanics and Architecture (2993-2637), vol. 1, no. 10, Dec. 2023, pp. 263-8, http://grnjournal.us/index.php/AJEMA/article/view/2314.