Sodiqov , Sardorbek, and Hasan Beknazarov. “ TARKIBIDA GEKSAMETILENDIAMIN TUTGAN FTALOTSIANIN PIGMENTLARINI SINTZ QILILISH VA INFRAQIZIL SPEKTROFOTOMETRIDAGI TAHLILINI O’RGANISH”. Theoretical and experimental chemistry and modern problems of chemical technology 1, no. 01 (November 2, 2023). Accessed July 4, 2024. https://ojs.qarshidu.uz/index.php/ch/article/view/60.