Nosirov Nurzod Ixtiyorivich, Ashirmatova Iroda Mamasaid qizi and Hasanova Zebiniso Anvarovna 2022. PОLIMЕTАL RUDАLАRNI BОYITISH SХЕMАLАRI VА АJRАTISH TАRTIBLАRI . World scientific research journal. 5, 1 (Jul. 2022), 33–37.