Isokov Yusuf Khoriddinovich, Kurbonov Azizjon Rustamovich, Pulatova Zulkhumor Jaloliddin kizi, Yusupov Farkhod Makhkamovich, Sultonov Sadulla Bahriddinovich, and Yodgorov Normahmat, “Purification of spent methyldiethanolamine solutions with activated carbon au-ko”, Mid. Eur. Scin. Bul, vol. 5, pp. 83-88, Oct. 2020.