“KARBAMID ISHLAB CHIQARISH TSEXLARIDA VA LABORATORIYALARDA ATMASFERAGA CHIQADIGAN AMMYAK MIQDORINI ANIQLASH INSONLAR HAYOTINI HAVFDAN SAQLASHNING MUHIM OMILIDIR”. Conference Zone (December 15, 2022): 530–541. Accessed September 23, 2025. https://conferencezone.org/index.php/cz/article/view/892.