? SYNTHESIS AND ELECTRONIC ABSORPTION SPECTRA OF SOME Azo DYES AND THEIR ANALOGUES AZOMETHINES. Pakistan Journal of Scientific & Industrial Research [Internet]. 1998 Oct. 19 [cited 2026 Mar. 10];41(5):242-3. Available from: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/2281