“NIKEL ATSETATNING MELAMIN VA SISTEIN ASOSIDAGI ARALASH LIGANDLI KOMPLEKS BIRIKMALARINI KVANT-KIMYOVIY HAMDA IQ SPEKTRASKOPIYASI ANALIZI USULIDA TAHLIL QILISH”. Journal of Universal Science Research, vol. 1, no. 6, June 2023, pp. 926-31, https://universalpublishings.com/index.php/jusr/article/view/1426.