“‘ КОБАЛЬТ ВА НИКЕЛЬ (II) ИОННИНИ СОРБЦИОН-ФОТОМЕТРИК АНИҚЛАШ УСУЛЛАРИНИ ИШЛАБ ЧИҚАРИШ’”. 2024. Proceedings of International Conference on Scientific Research in Natural and Social Sciences 3 (7): 184-90. https://econferenceseries.com/index.php/srnss/article/view/5272.