NIKEL ATSETATNING MELAMIN VA SISTEIN ASOSIDAGI ARALASH LIGANDLI KOMPLEKS BIRIKMALARINI KVANT-KIMYOVIY HAMDA IQ SPEKTRASKOPIYASI ANALIZI USULIDA TAHLIL QILISH. JUSR. 2023;1(6):926-931. Accessed May 18, 2026. http://universalpublishings.com/index.php/jusr/article/view/1426