Yakhayev Umar Abdukhakimovich, Mamatkulov Elyor Kambaralievich, Abdumajidova Madina Nematulla’s daughter, and Bozorov Ilyos Abduroxmonovich, “EXTRACTION OF GOLD METAL FROM USELESS ELECTRICAL EQUIPMENT”, Galaxy int. interdiscip. res. j., vol. 12, no. 5, pp. 8–13, May 2024.