Patel, R., Patel, N., patel, S., & Patel, K. (2010). Synthesis of 4,4’-Methylene bis o-Toluidine Based Bisazo Reactive Dyse and Their application . Asian Journal of Chemistry, 12(4), 1193–1198. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/23152