Mirzakhmedov Rustamjon Mirkhamidovich and Mirusmanova Babur Kizi in Paris 2023. Sorbcion-Photometric Determination Of Iron (Ii) Ion In Industrial Waste Of" Olmaliq Kmk "Aj Using Diethyl 2,2’-(1,3,4- Thiadiazole-2,5-Diyl) Bis(Sulfandiyl) Diacetate Organic Reagent. Eurasian Journal of Learning and Academic Teaching. 25, (Oct. 2023), 16–18.