Badalov Nomoz Jo‘raboevich, Ikramov Dilshod Ikramovich, and Badalov Utkirbek Nomozovich. 2022. “SINOV VA KALIBRLASH LABORATORIYALARIDA KOMPETENTLIGINI XALQARO DARAJADA OSHIRISH OMILLARI”. E Conference Zone, April, 128-31. http://econferencezone.org/index.php/ecz/article/view/405.